matlab简易计算器

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(word完整版)用MATLAB GUI设计简单计算器

(word完整版)用MATLAB GUI设计简单计算器

摘要基于MATLAB GUI的计算器设计是利用GUIDE创建图形用户界面进行计算器设计。

设计计算器时,主要是考虑到计算器的易用性、功能的常用程度进行计算器界面与功能的设计。

通过调整控件和文本的布局及颜色,使界面简单大方、布局合理,达到界面友好的效果。

计算器设计时主要利用到get和set两个函数进行各个控件属性值的传递和设置。

计算器实现的功能有:数字0~9和小数点的输入显示,平方、开平方和对数的输入显示。

进行四则运算、正弦计算、余弦计算、正切计算和余切计算,可以求阶乘、求百分数和求倒数。

可以进行括号及变量x与变量y的输入,结合坐标轴编辑框和曲线颜色编辑框实现函数的曲线绘制。

最后运行调试,实现基于MATLAB GUI的计算器的设计。

MATLAB GUI介绍MATLAB是美国MathWorks公司出品的商业数学软件,用于算法开发、数据可视化、数据分析以及数值计算的高级技术计算语言和交互式环境。

MATLAB是matrix和laboratory两个词的组合,意为矩阵工厂,主要面对科学计算、可视化以及交互式程设计的高科技计算环境。

MATLAB是将数值分析、矩阵计算、科学数据可视化以及非线性动态系统的建模和仿真等诸多强大功能集成在一个易于使用的视窗环境中,为科学研究、工程设计以及必须进行有效数值计算的众多科学领域提供了一种全面的解决方案,并在很大程度上摆脱了传统非交互式程序设计语言的编辑模式,特别是所附带的30多种面向不同领域的工具箱支持,使得它在许多科学领域中成为计算机辅助设计和分析、算法研究和应用开发的基本工具和首选平台。

MATLAB的图形用户界面(Graphical User Interface,简称GUI,又称图形用户接口)是指采用图形方式显示的计算机操作用户界面。

与早期计算机使用的命令行界面相比,图形界面对于用户来说在视觉上更易于接受。

MATLAB的图形用户界(GUI)是由光标,窗口,菜单、文字说明等对象构成一个用户界面。

Matlab并行计算工具箱及MDCE介绍

Matlab并行计算工具箱及MDCE介绍

Matlab并行计算工具箱及MDCE介绍.doc3.1 Matlab并行计算发展简介MATLAB技术语言和开发环境应用于各个不同的领域,如图像和信号处理、控制系统、财务建模和计算生物学。

MATLAB通过专业领域特定的插件(add-ons)提供专业例程即工具箱(Toolbox),并为高性能库(Libraries)如BLAS(Basic Linear Algebra Subprograms,用于执行基本向量和矩阵操作的标准构造块的标准程序)、FFTW(Fast Fourier Transform in the West,快速傅里叶变换)和LAPACK(Linear Algebra PACKage,线性代数程序包)提供简洁的用户界面,这些特点吸引了各领域专家,与使用低层语言如C语言相比可以使他们很快从各个不同方案反复设计到达功能设计。

计算机处理能力的进步使得利用多个处理器变得容易,无论是多核处理器,商业机群或两者的结合,这就为像MATLAB一样的桌面应用软件寻找理论机制开发这样的构架创造了需求。

已经有一些试图生产基于MATLAB的并行编程的产品,其中最有名是麻省理工大学林肯实验室(MIT Lincoln Laboratory)的pMATLAB和MatlabMPI,康耐尔大学(Cornell University)的MutiMATLAB和俄亥俄超级计算中心(Ohio Supercomputing Center)的bcMPI。

MALAB初期版本就试图开发并行计算,80年代晚期MATLAB的原作者,MathWorks公司的共同创立者Cleve Moler曾亲自为英特尔HyperCube和Ardent 电脑公司的Titan超级计算机开发过MATLAB。

Moler 1995年的一篇文章“Why there isn't a parallel MATLAB?[**]” 中描述了在开了并行MATLAB语言中有三个主要的障碍即:内存模式、计算粒度和市场形势。

VB简易计算器代码

VB简易计算器代码

VB简易计算器代码以下是一个简单的VB计算器代码:```Public Class Form1Dim firstNum As Double ' 第一个数字Dim secondNum As Double ' 第二个数字Dim operation As Integer ' 1-加法,2-减法,3-乘法,4-除法Private Sub Button0_Click(sender As Object, e As EventArgs) Handles Button0.ClickTextBoxResult.Text = TextBoxResult.Text & "0"End SubPrivate Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.ClickTextBoxResult.Text = TextBoxResult.Text & "1"End SubPrivate Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.ClickTextBoxResult.Text = TextBoxResult.Text & "2"End SubHandles Button3.ClickTextBoxResult.Text = TextBoxResult.Text & "3"End SubPrivate Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.ClickTextBoxResult.Text = TextBoxResult.Text & "4"End SubPrivate Sub Button5_Click(sender As Object, e As EventArgs) Handles Button5.ClickTextBoxResult.Text = TextBoxResult.Text & "5"End SubPrivate Sub Button6_Click(sender As Object, e As EventArgs) Handles Button6.ClickTextBoxResult.Text = TextBoxResult.Text & "6"End SubPrivate Sub Button7_Click(sender As Object, e As EventArgs) Handles Button7.ClickTextBoxResult.Text = TextBoxResult.Text & "7"End SubHandles Button8.ClickTextBoxResult.Text = TextBoxResult.Text & "8"End SubPrivate Sub Button9_Click(sender As Object, e As EventArgs) Handles Button9.ClickTextBoxResult.Text = TextBoxResult.Text & "9"End SubPrivate Sub ButtonDot_Click(sender As Object, e As EventArgs) Handles ButtonDot.ClickIf Not TextBoxResult.Text.Contains(".") ThenTextBoxResult.Text = TextBoxResult.Text & "."End IfEnd SubPrivate Sub ButtonAdd_Click(sender As Object, e As EventArgs) Handles ButtonAdd.ClickfirstNum = Double.Parse(TextBoxResult.Text)TextBoxResult.Text = ""operation = 1End SubPrivate Sub ButtonSubtract_Click(sender As Object, e As EventArgs) Handles ButtonSubtract.ClickfirstNum = Double.Parse(TextBoxResult.Text)TextBoxResult.Text = ""operation = 2End SubPrivate Sub ButtonMultiply_Click(sender As Object, e As EventArgs) Handles ButtonMultiply.ClickfirstNum = Double.Parse(TextBoxResult.Text)TextBoxResult.Text = ""operation = 3End SubPrivate Sub ButtonDivide_Click(sender As Object, e As EventArgs) Handles ButtonDivide.ClickfirstNum = Double.Parse(TextBoxResult.Text)TextBoxResult.Text = ""operation = 4End SubPrivate Sub ButtonClear_Click(sender As Object, e As EventArgs) Handles ButtonClear.ClickTextBoxResult.Text = ""End SubPrivate Sub ButtonEquals_Click(sender As Object, e As EventArgs) Handles ButtonEquals.ClickDim result As DoublesecondNum = Double.Parse(TextBoxResult.Text)Select Case operationCase 1result = firstNum + secondNumCase 2result = firstNum - secondNumCase 3result = firstNum * secondNumCase 4result = firstNum / secondNumEnd SelectTextBoxResult.Text = result.ToStringEnd SubEnd Class```这个计算器包括数字按钮0-9、小数点按钮、加法、减法、乘法、除法和等于按钮。

简易计算器的制作

简易计算器的制作

简易计算器的制作在本文中,我们将介绍如何使用Visual FoxPro(VFP)制作一个简易计算器。

Visual FoxPro是一种开发工具,可以用于创建数据库应用程序和开发Windows桌面应用程序。

步骤1: 创建新的Visual FoxPro项目首先,打开Visual FoxPro并创建一个新的项目。

在“文件”菜单中选择“新建”,然后选择“项目”。

输入一个项目名称,选择一个合适的位置,然后点击“确定”。

步骤2:创建一个新的表单接下来,我们需要创建一个新的表单来作为计算器的界面。

在项目资源管理器中,右键点击“表单”文件夹,并选择“新建”。

输入一个表单名称,然后点击“确定”。

步骤3:添加控件步骤5:添加按钮事件首先,我们需要声明变量来存储用户输入的数字。

在按钮事件代码中,添加以下代码:```foxproLOCAL num1, num2, result```接下来,我们需要获取用户输入的数字。

在按钮事件代码中,添加以下代码:```foxpronum1 = VAL(Thisform.txtNum1.Value)num2 = VAL(Thisform.txtNum2.Value)```然后,我们可以执行所需的计算操作。

例如,如果我们想要添加两个数字,我们可以使用以下代码:```foxproresult = num1 + num2```最后,我们需要将结果显示在界面上。

在按钮事件代码中,添加以下代码:```foxproThisform.lblResult.Caption = STR(result)```步骤6:运行和测试完成上述步骤后,您可以保存并运行计算器。

在VFP的工具栏中,点击“运行”按钮来启动应用程序。

测试计算器,确保它可以正确执行计算操作并显示结果。

结论通过使用Visual FoxPro,我们可以轻松创建一个简易计算器。

这个计算器可以执行基本的加减乘除等操作,同时提供了一个直观的用户界面。

您可以根据需要进行自定义,添加更多功能和复杂的计算操作。

matlab-GUI-设计(简易科学计算器)

matlab-GUI-设计(简易科学计算器)

MATLAB大作业班级:姓名:学号:计算器➢题目本题目通过MATLAB的gui程序设计较为简单,在gui设计中主要用到三种控件,文本编辑框(edit text),静态文本框(Static text),命令按钮(push button)。

然后在通过各个按钮的回调函数,实现简单的计算功能。

➢1、功能介绍(1)具有友好的用户图形界面。

实现十进制数的加、减、乘、除、乘方、开方等简单计算。

(2)具有科学计算函数,包括(反)正弦、(反)余弦、(反)正切、(反)余切、开方、指数等函数运行。

(注:三角函数计算的是弧度而不是角度)。

(3)有清除键,能清除操作。

➢2、功能实现程序由两个部分组成:MATLAB代码(.m文件)和GUI图形(.fig)。

程序使用的流程:直接利用图形界面中的按键键入所需数值、运算符等即可得出结果。

备注:软件版本:MATLAB 2011b首先用MATLAB GUI功能,在绘制一个静态文本框和一个文本编辑框,以及33个命令按钮,调整好各控件大小、颜色,整体布局如图所示:(附录中有相关属性修改介绍)然后通过双击各个按钮来改写其属性,在m文件中编写其回调函数,最后在运行调试。

2.1 各功能界面设计GUI设计界面:注:底部边框用(Panel)工具添加,有两种设计顺序。

(1、先加底部边框,再在底部边框上画功能键。

2、先画功能键,布好局,画底框,全选功能键拖动到底框上。

)2.2 各功能模块实现(可根据需要增减功能键)算法设计:1. 数字键设计:0—9以及小数点函数都一样,只是参数不同:例如:按键‘1’响应:global jjtextString = get(handles.text1,'String');if(strcmp(textString,'0.')==1)&(jj==0)set(handles.text1,'String','1') ;elsetextString =strcat(textString,'1');set(handles.text1,'String',textString)endjj=0;2. 四则运算函数:‘+’功能响应:textString = get(handles.text1,'String');textString =strcat(textString,'+');set(handles.text1,'String',textString)‘-’功能响应:textString = get(handles.text1,'String');textString =strcat(textString,'-');set(handles.text1,'String',textString)‘×’功能响应:textString = get(handles.text1,'String');textString =strcat(textString,'*');set(handles.text1,'String',textString)‘÷’功能响应:textString = get(handles.text1,'String');textString =strcat(textString,'/');set(handles.text1,'String',textString)3. 科学计算函数:例如:‘sin’功能响应:textString = get(handles.text1,'String');if(strcmp(textString,'0.')==1)set(handles.text1,'String','0.') ;elsea = strread(textString, '%f');a=sin(a);set(handles.text1,'String',a)end4. 退格键(DEL):通过取屏幕值,计算出其字符长度,然后取其前N-1项的值来实现退格:global jjtextString = get(handles.text1,'String');if(strcmp(textString,'0.')==1)&(jj==0)set(handles.text1,'String','0.') ;elsess=char(textString);l=length(textString);textString=ss(1:l-1);set(handles.text1,'String',textString)endjj=0;5. 清屏键函数(AC):set(handles.text1,'String','0.') ;2.3 各模块程序添加方法选中一个需添加程序的功能键,右击,View Callbacks,Callback,出现如下图所示界面。

matlab简易计算器设计步骤与回调函数设计说明

matlab简易计算器设计步骤与回调函数设计说明

简易算术计算器的设计一、算术计算器的功能:能进行简单的加、减、乘、除法运算,输入文本框显示为常量多项式,输出文本框显示为精确到小数点后十位的数值。

计算器包含十个数字键0~9、小数点键“.”、小括号键“(”“)”、运算符号、清屏键、退格键、退出键等。

二、设计思路:每按下一个数字键或者符号键的时候,利用get(handles.edit1,'string')获取当前输入文本框edit1的string属性,并通过字符串合并函数strcat()将当前输入文本框edit1的字符型string属性与按键的字符型string属性合并成字符串,然后利用属性设置函数set(); 将合并后的字符串返回到输入文本框edit1的string属性。

当输入结束,用户按下等号的时候,采用x=get(handles.edit1,'string')获取当前输入文本框edit1的string属性,然后利用字符串执行命令y1=eval(x)计算输入文本框的表达式,得到的结果是字符型常量;然后利用字符串输出格式控制函数y=sprintf('%.10f',y1)使输出结果精确到小数点后十位;最后利用属性设置函数set(handles.edit2,'string',y)将转换后的字符串返回到输出文本框edit2的string 属性。

三、设计步骤:1、运行matlab 7.13版,进入主界面。

2、点击工具栏上的GUIDE图标进入GUI开发环境。

3、创建控件:Push Button包括数字0~9、运算符“+ - ×÷”、功能键等十九个,输入和动态静态文本框Edit Text,显示文字的静态文本框Static Text四个等。

4、对控件单击右键弹出菜单,选择Property Inspector,设置控件属性。

控件属性表text text1 制作:***16pointsboldon0.8310.8160.7840 0 1 text2 Inputtext3 Outputtext4 算术计算器200.7490.749editedit1 空白字符串10pointson 1 1 1 0 0 0 edit2 空白字符串5、选择工具栏上的Align Objects按键,调整控件布局。

matlab简易计算器12页

matlab简易计算器12页

电子信息工程系实验报告课程名称:MATLAB语言实验项目名称:MATLAB图形用户界面设计实验时间:2019-5-8 班级:姓名:学号:实验目的: 1、熟悉MATLAB的主要控件使用方法。

2、熟悉MATLAB的GUI设计流程。

实验环境:硬件配置( Pentium(R) 4 CPU 2.40GHz,1GB内存)操作系统(Windows XP)编程软件:MATLAB7.0实验内容与结果:使用MATLAB的GUI接口设计一个简单的计算器。

效果图:程序源码部分函数及相关注释:%0~9数字键及小数点按钮代码范例%全局变量locaval用于存储用户输入的多位数值%全局变量gloval2用于存储待处理的第二位数值function pushbutton1_Callback(hObject, eventdata, handles)global locaval;a = get(handles.pushbutton1,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);%运算符按钮处理“+、-、*、\”范例%全局变量flagnum存储运算符标志%全局变量global1用于储存第一个待处理数值function pushbutton10_Callback(hObject, eventdata, handles)a = get(handles.pushbutton10,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' ';flagnum=1;gloval1=b;guidata(hObject, handles);%取相反数按钮“+\-”代码%算法实现:用零减去文本框现在的值,再赋值给文本框function pushbutton14_Callback(hObject, eventdata, handles) 成绩:指导教师(签名):global locaval;locaval=str2num(locaval);locaval=0-locaval;locaval=num2str(locaval);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% 等号按钮运算实现%根据flagnum运算标志用switch决策语句实现相应计算%需注意相应数据类型的转化function pushbutton17_Callback(hObject, eventdata, handles)global flagnumglobal gloval1global gloval2global locavallocaval=' ';gloval1=str2num(gloval1);gloval2=str2num(gloval2);case1=gloval1/gloval2;case2=gloval1*gloval2;case3=gloval1-gloval2;case4=gloval1+gloval2;case1=num2str(case1);case2=num2str(case2);case3=num2str(case3);case4=num2str(case4);switch flagnum;case 1set(handles.text1,'String',case1);case 2set(handles.text1,'String',case2);case 3set(handles.text1,'String',case3);case 4set(handles.text1,'String',case4);endguidata(hObject,handles)% BackSpace按钮函数%算法实现:MA TLAB是用矩阵存储数据的,相应的可以取文本框的前N-1实现其功能function pushbutton19_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');if(strcmp(textString,'0.')==1)set(handles.text1,'String','0.') ;elsess=char(textString);l=length(textString);textString=ss(1:l-1);set(handles.text1,'String',textString)endguidata(hObject,handles)%C清除按钮函数%把全局变量locaval清零function pushbutton20_Callback(hObject, eventdata, handles)global locavallocaval=' ';set(handles.text1,'String','0.');guidata(hObject,handles)%开平方函数function pushbutton22_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');textString=str2num(textString);textString=sqrt(textString);textString=num2str(textString);set(handles.text1,'String',textString);locaval=' ';guidata(hObject,handles)%取1/x函数function pushbutton24_Callback(hObject, eventdata, handles)global locavallocaval=str2num(locaval);locaval=1/locaval;set(handles.text1,'String',locaval);locaval=' ';guidata(hObject,handles)实验心得:!、通过MATLAB简单计算器的设计,初步了解了关于MATLAB图形用户界面的部分控件的使用方法。

MATLAB编程及应用 李辉 PPT课件 第2章 MATLAB基本计算和基础知识

MATLAB编程及应用 李辉 PPT课件 第2章 MATLAB基本计算和基础知识

2.2.2 系统预定义变量
MATLAB系统提供了一些用户不能清除的特殊变量,
即系统预定义变量。
MATALB系统预定义变量及其含义
预定义变量名
含义
ans pi eps nan或NAN inf i或j
运算结果默认变量名 圆周率 浮点数的精度,也是系统运算时确定的极小值 非数,如0/0 无穷大,如1/0 虚数标志,i=j=sqrt(-1)
1.0000 + 2.0000i >> b=3+4*j b=
3.0000 + 4.0000i
2.3.2 逻辑类型
MATLAB本身并没有专门提供逻辑类型,而借用整型来描
述逻辑类型数据。MATLAB规定,逻辑数据真(true)为1、
逻辑数据假(false)为0。
>> 2<3 ans =
logical 1 >> 2>3 ans = logical 0
>> sin(pi/3) ans =
0.8660
➢ 复数的计算:MATLAB还具有超越计算器的功能, 它认识复数,能够进行复数的计算。
>> (2+3i)+(4+5i) ans =
6.0000 + 8.0000i
Байду номын сангаас
2.2 变量
变量是指在程序执行过程中其值可以变化的量。
变量
用户自定义变量 系统预定义变量
2.3 数据类型
MATLAB数据类型
数值类型 逻辑类型 字符串类型 单元类型 结构类型
2.3.1 数值类型
数值类型分类方法
根据数据存 储空间和方 式分类
根据数据结 构分类

矩阵计算器

矩阵计算器

用Matlab GUI编写一个简单的矩阵计算器摘要:矩阵是线性代数的一个主要内容,又是解决众多问题的主要工具。

而矩阵运算是矩阵理论的基本内容之一。

目前,普通的计算器只能够进行数的运算,而不能够实现矩阵的运算。

随着科技的不断发展,人们对矩阵的运用也会不断的增多。

因此,制作一个矩阵计算器对当今科技的发展有一定的推动作用。

关键字:矩阵运算、Matlab GUI、计算器正文:一、矩阵的相关知识在数学上,矩阵是指纵横排列的二维数据表格,最早来自于方程组的系数及常数所构成的方阵。

这一概念由19世纪英国数学家凯利首先提出。

矩阵,是由个数组成的一个行列的矩形表格,通常用大写字母表示,组成矩阵的每一个数,均称为矩阵的元素,通常用小写字母其元素表示,其中下标都是正整数,他们表示该元素在矩阵中的位置。

比如,或表示一个矩阵,下标表示元素位于该矩阵的第行、第列。

元素全为零的矩阵称为零矩阵。

当一个矩阵的行数与烈数相等时,该矩阵称为一个阶方阵。

对于方阵,从左上角到右下角的连线,称为主对角线;而从左下角到右上角的连线称为付对角线。

若一个阶方阵的主对角线上的元素都是,而其余元素都是零,则称为单位矩阵,记为,即:。

如一个阶方阵的主对角线上(下)方的元素都是零,则称为下(上)三角矩阵,例如,是一个阶下三角矩阵,而则是一个阶上三角矩阵。

今后我们用表示数域上的矩阵构成的集合,而用或者表示数域上的阶方阵构成的集合。

矩阵是高等代数学中的常见工具,其中的一个重要用途是解线性方程组。

线性方程组中未知量的系数可以排成一个矩阵,加上常数项,则称为增广矩阵。

另一个重要用途是表示线性变换,即是诸如f(x) 4x之类的线性函数的推广。

同时也常见于统计分析等应用数学学科中。

在物理学中,矩阵于电路学、力学、光学和量子物理中都有应用;计算机科学中,三维动画制作也需要用到矩阵。

矩阵的运算是数值分析领域的重要问题。

将矩阵分解为简单矩阵的组合可以在理论和实际应用上简化矩阵的运算。

用MATLAB做的 一个计算器

用MATLAB做的 一个计算器

一、布局GUI。

1.打开Matlab,输入Guide 回车或者在工具栏上点击图标出现Guide 窗口:2.然后双击“Blank GUI(Default)”出现GUI窗口3.添加按钮4.根据按钮的作用及视觉效果做一定的修改把按钮的字符串大小、颜色进行设置,对按钮的位置进行排布,尽量使按钮集中在静态文本框下面。

最终设置的静态文本框为白色,其他按钮均为分红色。

5.保存、添加功能函数把做好的按钮及静态文本框保存后自动弹出Editor的M文本,对然后对相应的pushbutton添加功能函数。

以下是相应按钮的功能函数。

(1)数字按键编写。

在function pushbutton1_Callback(hObject, eventdata, handles)下输入:textString = get(handles.text1,'String');textString =strcat(textString,'0');set(handles.text1,'String',textString)这是使用句柄handles指向对象text1,并以字符串形式来存储数据文本框text1的内容,并存储数个“0”,然后由set(handles.text1,'String','textString'在text1中输出。

同理,分别在function pushbutton2~10_Callback(hObject, eventdata, handles)下给1~9数字按键下编写此类程序。

(2).符号键:function pushbutton12_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');textString =strcat(textString,'+');set(handles.text1,'String',textString)strcat的作用是将两个字符串连接起来,就是在已输入的存储数据textString 后添加“+”进行运算。

基于MATLAB的多功能计算器设计与实现

基于MATLAB的多功能计算器设计与实现

基于MATLAB的多功能计算器设计与实现摘要随看信息技术的发展,数据变得越来越重要,针对数据的处理也越来越复杂,计算器在我们日常生活学习中扮演越来越重要角色。

本文基于MATLAB设计的GUI 多功能计算器,包括三部分:简易计算器、科学计算器和程序员计算器。

其中,简易计算器包括了常用的加减乘除;科学计算器在加减乘除上,添加了正余弦、阶乘和对数等常用的数学计算;程序员计算器包括了二进制、八进制、十六进制的相互转换和二进制的与、或和异或等逻辑运算。

此多功能计算器改进了以前功能单一的计算器,具有较强的实用性。

关键字:MATLAB; GUI ;多功能计算器AbstractWith the development of information technology, the data become more andmore complicated, according to data operations have become increasingly frequent, thecalculator is playing a more and more important role in leamning in our daily life. In this paper,MATLAB design of GUI based multi functional calculator, consists of three parts: a simplecalculator, scientific calculator and programmers calculator. The simple calculator, includingcommon add, subtract, multiply and divide; scientific calculator in add, subtract, multiply anddivide, add the commonly used mathematical cosine, factorial and logarithm calculation;programmers calculator includes the conversion of binary, octal, hexadecimal and binarysixteen and, or and XOR logic operation. The multi-function calculator before improvedsingle function has a strong practical.Keyword: MATLAB; GUI; Multi Function Calculator目录第1章绪论 (1)1.1.基于MATLAB的多功能计算器设计的目的和意义 (1)1.2国内外现状分析 (1)1.2.1 国内外计算器的发展 (1)1.2.2计算器的类型 (2)第2章数字信号处理原理概念 (4)2.1数字信号处理 (4)2.2数字信号处理的概述 (4)2.3用MATLAB实现信号处理 (4)2.3.1信号的取样 (4)2.3.2信号的重构 (5)第3章计算器总体设计 (6)3.1计算器整体设计思路 (6)3.2计算器的功能实现 (7)3.2.1数字0-9设计与实现 (7)3.2.2四则运算设计 (7)3.2.3简单科学计算设计 (7)3.2.4功能按钮设计 (7)第4章 MATLAB GUI界面设计 (8)4.1MATLAB GUI介绍 (8)4.2GUI界面创建的基本知识 (8)4.3计算器界面设计 (9)第5章 MATLAB程序设计 (10)5.1 M文件 (10)5.1.1局部变量与全局变量 (10)5.1.2M文件的编辑与运行 (11)5.1.3脚本文件 (13)5.1.4函数文件 (13)5.1.5函数调用 (14)5.2MATLAB的程序控制结构 (16)5.3 数据的输入与输出 (17)5.3.1 键盘输入语句(input) (17)5.3.2屏幕输出语句(disp) (17)5.3.3 M数据文件的存储/加载(save/load) (17)5.3.4二进制数据文件的存储/读取 (18)5.4.面向对象程序设计的基本方法 (19)5.4.1.创建类目录 (19)5.4.2.建立类的数据结构 (19)5.4.3创建类的基本方法 (19)5.4.4重载运算 (19)5.4.5面向对象的函数 (19)5.5MATLAB程序优化 (19)结语 (20)附录 (21)参考文献 (28)致谢...............................................................................................................第1章绪论1.1.基于MATLAB的多功能计算器设计的目的和意义当今时代是一个信息化的时代,信息化的时代到处充满了数据,生活在这个信息化时代的人们,无论人们在做什么行业,都需要时时刻刻跟数据打交道。

Matlab实现的简易计算器程序代码

Matlab实现的简易计算器程序代码

function varargout = jisuanqi(varargin)% JISUANQI M-file for jisuanqi.fig% JISUANQI, by itself, creates a new JISUANQI or raises the existing % singleton*.%% H = JISUANQI returns the handle to a new JISUANQI or the handle to % the existing singleton*.%% JISUANQI('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in JISUANQI.M with the given input arguments. %% JISUANQI('Property','Value',...) creates a new JISUANQI or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before jisuanqi_OpeningFcn gets called. An% unrecognized property name or invalid value makes property application % stop. All inputs are passed to jisuanqi_OpeningFcn via varargin. %% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one % instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help jisuanqi% Last Modified by GUIDE v2.5 20-Jul-2011 09:45:20% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @jisuanqi_OpeningFcn, ...'gui_OutputFcn', @jisuanqi_OutputFcn, ...'gui_LayoutFcn', [] , ...'gui_Callback', []);if nargin && ischar(varargin{1})gui_State.gui_Callback = str2func(varargin{1});endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});elsegui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before jisuanqi is made visible.function jisuanqi_OpeningFcn(hObject, eventdata, handles, varargin) handles.current_str='';%´ËΪ´æ´¢µ±Ç°µÄ×Ö·û´®handles.L1_str='';handles.L2_str='';%´ËΪ´æ´¢ÉÏÒ»¸öÊý×ÖµÄ×Ö·û´®% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin command line arguments to jisuanqi (see VARARGIN)% Choose default command line output for jisuanqihandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes jisuanqi wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line. function varargout = jisuanqi_OutputFcn(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;% --- Executes on button press in Number_0.function Number_0_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ0£¬Èç¹û°´ÁË0¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'0');handles.L1_str=strcat(handles.L1_str,'0');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_0 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% --- Executes on button press in xiaoshudian.function xiaoshudian_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'.');guidata(hObject, handles);%СÊýµã% hObject handle to xiaoshudian (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% --- Executes on button press in jia_jian.function jia_jian_Callback(hObject, eventdata, handles)% hObject handle to jia_jian (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_1.function Number_1_Callback(hObject, eventdata, handles)% hObject handle to Number_1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ1£¬Èç¹û°´ÁË1¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'1');handles.L1_str=strcat(handles.L1_str,'1');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% --- Executes on button press in Number_2.function Number_2_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ2£¬Èç¹û°´ÁË1¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'2');handles.L1_str=strcat(handles.L1_str,'2');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_3.function Number_3_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ3£¬Èç¹û°´ÁË3¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'3');handles.L1_str=strcat(handles.L1_str,'3');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_4.function Number_4_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ4£¬Èç¹û°´ÁË4¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'4');handles.L1_str=strcat(handles.L1_str,'4');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_4 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_5.function Number_5_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ5£¬Èç¹û°´ÁË5¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'5');handles.L1_str=strcat(handles.L1_str,'5');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_5 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_6.function Number_6_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ6£¬Èç¹û°´ÁË6¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'6');handles.L1_str=strcat(handles.L1_str,'6');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_6 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_7.function Number_7_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ7£¬Èç¹û°´ÁË7¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'7');handles.L1_str=strcat(handles.L1_str,'7');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_7 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_8.function Number_8_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ8£¬Èç¹û°´ÁË8¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'8');handles.L1_str=strcat(handles.L1_str,'8');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_8 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Number_9.function Number_9_Callback(hObject, eventdata, handles)%Á¬½Óµ±Ç°µÄ×Ö·û´®ºÍ9£¬Èç¹û°´ÁË9¼üµÄ»°¡£handles.current_str=strcat(handles.current_str,'9');handles.L1_str=strcat(handles.L1_str,'9');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Number_9 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in jiahao.function jiahao_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'+');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to jiahao (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in denghao.function denghao_Callback(hObject, eventdata, handles)st = get(handles.edit1,'String');%¼ÆËã½á¹û£¬²¢´æ·Åµ½µÚ¶þ¸ö±à¼-¿òÖС£val = eval(st);s = num2str(val);set(handles.edit2,'String',s);guidata(hObject, handles);% hObject handle to denghao (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in jianhao.function jianhao_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'-');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to jianhao (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in X_daoshu.function X_daoshu_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'\1');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to X_daoshu (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in chenghao.function chenghao_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'*');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to chenghao (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in baifenhao.function baifenhao_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'/100');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);handles.L2_str=handles.L1_str;handles.L1_str = '';% hObject handle to baifenhao (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in chuhao.function chuhao_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'/');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to chuhao (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in Sqrt.function Sqrt_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'sqrt');handles.L1_str=strcat(handles.L1_str,'sqrt');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to Sqrt (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in X_lifang.function X_lifang_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'^3');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to X_lifang (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in x_pingfang.function x_pingfang_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'^2');set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to x_pingfang (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in zhengqie.function zhengqie_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'tan');handles.L1_str=strcat(handles.L1_str,'tan');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to zhengqie (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in zhengxian.function zhengxian_Callback(hObject, eventdata, handles)handles.current_str=strcat(handles.current_str,'sin');handles.L1_str=strcat(handles.L1_str,'sin');%ÔÚÊä³öµ±Ç°µÄ×Ö·û´®set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);% hObject handle to zhengxian (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in CE.function CE_Callback(hObject, eventdata, handles)% hObject handle to CE (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% --- Executes on button press in C.function C_Callback(hObject, eventdata, handles)% hObject handle to C (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) handles.current_str = '';set(handles.edit1,'String','0.');set(handles.edit2,'String','0.');guidata(hObject, handles);% --- Executes on button press in Backspace.function Backspace_Callback(hObject, eventdata, handles)% hObject handle to Backspace (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)s1 = handles.current_str;handles.current_str = s1(1:length(s1)-1);set(handles.edit1,'String',handles.current_str);guidata(hObject, handles);function edit1_Callback(hObject, eventdata, handles)% hObject handle to edit1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit1 as text% str2double(get(hObject,'String')) returns contents of edit1 as a double% --- Executes during object creation, after setting all properties. function edit1_CreateFcn(hObject, eventdata, handles)% hObject handle to edit1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endif ispcset(hObject,'BackgroundColor','white');elseset(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor')) ;end% --- Executes on button press in shujujiazai.function shujujiazai_Callback(hObject, eventdata, handles)% hObject handle to shujujiazai (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global YSData;[filename,pathname,FILTERINDEX]=uigetfile({'*.xls';'*.dat';'*.*'},'Ñ¡ÔñÊý¾ÝÎļþ');if(FILTERINDEX==0)return;endstr_filename=[pathname,filename];fid=fopen(str_filename,'rt');if(fid==-1)errordlg('Open file error!','Open error');return;endYSData=xlsread(str_filename);set(handles.lujingxianshi,'String',str_filename);set(handles.tuxingxianshi,'Enable','on');function lujingxianshi_Callback(hObject, eventdata, handles)% hObject handle to lujingxianshi (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)set(handles.lujingxianshi,'String',pathname);% Hints: get(hObject,'String') returns contents of lujingxianshi as text % str2double(get(hObject,'String')) returns contents of lujingxianshi as a double% --- Executes during object creation, after setting all properties. function lujingxianshi_CreateFcn(hObject, eventdata, handles)% hObject handle to lujingxianshi (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');end% --- Executes on button press in zhuxingtu.function zhuxingtu_Callback(hObject, eventdata, handles)% hObject handle to zhuxingtu (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)set(handles.zhuxingtu,'Value',1);set(handles.zhexiantu,'Value',0);set(handles.yuanbingtu,'Value',0);% Hint: get(hObject,'Value') returns toggle state of zhuxingtu% --- Executes on button press in zhexiantu.function zhexiantu_Callback(hObject, eventdata, handles)% hObject handle to zhexiantu (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)set(handles.zhuxingtu,'Value',0);set(handles.zhexiantu,'Value',1);set(handles.yuanbingtu,'Value',0);% Hint: get(hObject,'Value') returns toggle state of zhexiantu% --- Executes on button press in yuanbingtu.function yuanbingtu_Callback(hObject, eventdata, handles)% hObject handle to yuanbingtu (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)set(handles.zhuxingtu,'Value',0);set(handles.zhexiantu,'Value',0);set(handles.yuanbingtu,'Value',1);% Hint: get(hObject,'Value') returns toggle state of yuanbingtu% --- Executes on button press in tuxingxianshi.function tuxingxianshi_Callback(hObject, eventdata, handles)global YSData;%Åжϡ®Í¼ÏñÀàÐÍ¡¯ÏÂ×éºÏ¿òÖеĸ÷µ¥Ñ¡°´Å¥µÄÑ¡ÖÐÇé¿ö£¬²¢´æ´¢ÔÚIndex_rad iobuttonÖÐIndex_radiobutton=get([handles.zhuxingtu,handles.zhexiantu,handles.yuan bingtu],'Value');%½øÐÐͼÐÎÉú³Éif(Index_radiobutton{1}==1)bar(YSData);title('¸÷Êý¾ÝÖ±·½Í¼');endif(Index_radiobutton{2}==1)plot(YSData);title('¸÷Êý¾ÝÕÛÏßͼ');endif(Index_radiobutton{3}==1)pie(YSData);title('¸÷Êý¾ÝÔ²±ýͼ');end% hObject handle to tuxingxianshi (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% global YSData;% --- Executes during object creation, after setting all properties. function tuxingxianshi_CreateFcn(hObject, eventdata, handles)% hObject handle to tuxingxianshi (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called function edit2_Callback(hObject, eventdata, handles)% hObject handle to edit2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit2 as text% str2double(get(hObject,'String')) returns contents of edit2 as a double% --- Executes during object creation, after setting all properties. function edit2_CreateFcn(hObject, eventdata, handles)% hObject handle to edit2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');end% --- Executes on button press in Quit.function Quit_Callback(hObject, eventdata, handles)% hObject handle to Quit (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)close(gcf);% --- Executes during object deletion, before destroying properties. function zhengxian_DeleteFcn(hObject, eventdata, handles)% hObject handle to zhengxian (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)function edit3_Callback(hObject, eventdata, handles)% hObject handle to edit3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit3 as text% str2double(get(hObject,'String')) returns contents of edit3 as a double% --- Executes during object creation, after setting all properties. function edit3_CreateFcn(hObject, eventdata, handles)% hObject handle to edit3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');end。

加减法matlab

加减法matlab

加减法matlab
加减法是数学中最基础的运算之一,而matlab是一种强大的数学计算软件,可以方便地进行数值计算和数据分析。

在matlab中使用加减法非常简单,本文将分步骤阐述如何进行加减法matlab运算。

Step1:打开matlab软件
首先,我们需要打开matlab软件。

Step2:输入要计算的数值
在matlab主界面的命令窗口中,输入要进行加减法运算的数值,例如:
a=3
b=2
这里我们输入了两个数值a和b,分别赋值为3和2。

Step3:进行加法运算
要进行加法运算,我们只需要在命令窗口中输入:
a+b
matlab会自动计算出a和b的和,结果会在命令窗口中显示出来。

Step4:进行减法运算
要进行减法运算,我们只需要在命令窗口中输入:
a-b
matlab会自动计算出a和b的差,结果会在命令窗口中显示出来。

Step5:查看计算结果
计算结果会在命令窗口中自动显示出来。

如果需要将结果赋值给某个变量,也可以在命令窗口中输入:
c=a+b
这样就可以将a和b的和赋值给变量c。

除了在命令窗口中直接进行加减法运算以外,matlab还提供了一些内置的函数来进行数值计算,例如sum函数可以对数组进行求和运算,diff函数可以计算数组的差分等等。

这些函数的使用方法可以在
matlab的帮助文档中查找到。

总结:
在matlab中进行加减法运算非常简单,只需要在命令窗口中输入要计算的数值即可。

matlab还提供了许多内置的函数来进行更复杂的数值计算,可以方便地应用于科学计算、数据分析、图像处理等领域。

用MATLAB做一个计算器包括加减乘除平方清空等功能

用MATLAB做一个计算器包括加减乘除平方清空等功能

广西科技大学MATLAB课程设计说明书课题:设计简易计算器开发环境:MATLAB GUIDE作者:系别:专业:时间:实验目的:1、熟悉MATLAB的主要控件使用方法。

2、熟悉MATLAB的GUI设计流程。

实验环境:编程软件:MATLAB7.0实验内容与结果:使用MATLAB的GUI接口设计一个简单的计算器。

效果图:一、布局GUI。

1.打开Matlab,输入Guide 回车或者在工具栏上点击图标出现Guide 窗口:2.然后双击“Blank GUI(Default)”出现GUI窗口3.添加按钮4.根据按钮的作用及视觉效果做一定的修改把按钮的字符串大小、颜色进行设置,对按钮的位置进行排布,尽量使按钮集中在静态文本框下面。

最终设置的静态文本框为白色,其他按钮均为分红色。

5.保存、添加功能函数把做好的按钮及静态文本框保存后自动弹出Editor的M文本,对然后对相应的pushbutton添加功能函数。

以下是相应按钮的功能函数。

(1)数字按键编写。

在function pushbutton1_Callback(hObject, eventdata, handles)下输入:textString = get(handles.text1,'String');textString =strcat(textString,'0');set(handles.text1,'String',textString)这是使用句柄handles指向对象text1,并以字符串形式来存储数据文本框text1的内容,并存储数个“0”,然后由set(handles.text1,'String','textString'在text1中输出。

同理,分别在function pushbutton2~10_Callback(hObject, eventdata, handles)下给1~9数字按键下编写此类程序。

用MATLAB实现计算器程序源代码

用MATLAB实现计算器程序源代码

function varargout = caculator(varargin)gui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @caculator_OpeningFcn, ...'gui_OutputFcn', @caculator_OutputFcn, ...'gui_LayoutFcn', [] , ...'gui_Callback', []);if nargin && ischar(varargin{1})gui_State.gui_Callback = str2func(varargin{1});endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});elsegui_mainfcn(gui_State, varargin{:});endfunction caculator_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject;set(handles.edit1,'string','0');set(handles.edit5,'string','0');guidata(hObject, handles);function varargout = caculator_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output;function edit1_Callback(hObject, eventdata, handles)function edit1_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endfunction edit2_Callback(hObject, eventdata, handles)function edit2_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endfunction edit3_Callback(hObject, eventdata, handles)function edit3_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endfunction pushbutton1_Callback(hObject, eventdata, handles)handles.num1=strcat(get(handles.edit1,'string'),'+');set(handles.edit1,'string',handles.num1);guidata(hObject,handles);function pushbutton2_Callback(hObject, eventdata, handles) handles.num2=strcat(get(handles.edit1,'string'),'-');set(handles.edit1,'string',handles.num2);guidata(hObject,handles);function pushbutton3_Callback(hObject, eventdata, handles) handles.num3=strcat(get(handles.edit1,'string'),'*');set(handles.edit1,'string',handles.num3);guidata(hObject,handles);function pushbutton4_Callback(hObject, eventdata, handles) handles.num4=strcat(get(handles.edit1,'string'),'/');set(handles.edit1,'string',handles.num4);guidata(hObject,handles);function pushbutton_1_Callback(hObject, eventdata, handles) handles.shu1=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu1=strcat(handles.yuanshu,handles.shu1);if length(handles.shu1)<2;elseif (length(handles.shu1)>=2)&&(handles.shu1(end-1)==')')&& (handles.shu1(1)=='l')temp=handles.shu1(end);handles.shu1(end)=handles.shu1(end-1);handles.shu1(end-1)=temp;endset(handles.edit1,'string',handles.shu1);guidata(hObject, handles);function pushbutton_2_Callback(hObject, eventdata, handles) handles.shu2=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu2=strcat(handles.yuanshu,handles.shu2);if length(handles.shu2)<2;elseif (length(handles.shu2)>=2)&&(handles.shu2(end-1)==')')&& (handles.shu2(1)=='l')temp=handles.shu2(end);handles.shu2(end)=handles.shu2(end-1);handles.shu2(end-1)=temp;endset(handles.edit1,'string',handles.shu2);guidata(hObject, handles);function pushbutton_4_Callback(hObject, eventdata, handles) handles.shu4=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu4=strcat(handles.yuanshu,handles.shu4);if length(handles.shu4)<2;elseif (length(handles.shu4)>=2)&&(handles.shu4(end-1)==')')&& (handles.shu4(1)=='l')temp=handles.shu4(end);handles.shu4(end)=handles.shu4(end-1);handles.shu4(end-1)=temp;endset(handles.edit1,'string',handles.shu4);guidata(hObject, handles);function pushbutton_3_Callback(hObject, eventdata, handles) handles.shu3=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu3=strcat(handles.yuanshu,handles.shu3);if length(handles.shu3)<2;elseif (length(handles.shu3)>=2)&&(handles.shu3(end-1)==')')&& (handles.shu3(1)=='l')temp=handles.shu3(end);handles.shu3(end)=handles.shu3(end-1);handles.shu3(end-1)=temp;endset(handles.edit1,'string',handles.shu3);guidata(hObject, handles);function pushbutton_5_Callback(hObject, eventdata, handles) handles.shu5=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu5=strcat(handles.yuanshu,handles.shu5);if length(handles.shu5)<2;elseif (length(handles.shu5)>=2)&&(handles.shu5(end-1)==')')&& (handles.shu5(1)=='l')temp=handles.shu5(end);handles.shu5(end)=handles.shu5(end-1);handles.shu5(end-1)=temp;endset(handles.edit1,'string',handles.shu5);guidata(hObject, handles);function pushbutton_9_Callback(hObject, eventdata, handles) handles.shu9=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu9=strcat(handles.yuanshu,handles.shu9);if length(handles.shu9)<2;elseif (length(handles.shu9)>=2)&&(handles.shu9(end-1)==')')&& (handles.shu9(1)=='l')temp=handles.shu9(end);handles.shu9(end)=handles.shu9(end-1);handles.shu9(end-1)=temp;endset(handles.edit1,'string',handles.shu9);guidata(hObject, handles);function pushbutton_7_Callback(hObject, eventdata, handles) handles.shu7=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu7=strcat(handles.yuanshu,handles.shu7);if length(handles.shu7)<2;elseif (length(handles.shu7)>=2)&&(handles.shu7(end-1)==')')&& (handles.shu7(1)=='l')temp=handles.shu7(end);handles.shu7(end)=handles.shu7(end-1);handles.shu7(end-1)=temp;endset(handles.edit1,'string',handles.shu7);guidata(hObject, handles);function pushbutton_8_Callback(hObject, eventdata, handles) handles.shu8=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu8=strcat(handles.yuanshu,handles.shu8);if length(handles.shu8)<2;elseif (length(handles.shu8)>=2)&&(handles.shu8(end-1)==')')&& (handles.shu8(1)=='l')temp=handles.shu8(end);handles.shu8(end)=handles.shu8(end-1);handles.shu8(end-1)=temp;endset(handles.edit1,'string',handles.shu8);guidata(hObject, handles);function pushbutton_6_Callback(hObject, eventdata, handles) handles.shu6=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu6=strcat(handles.yuanshu,handles.shu6);if length(handles.shu6)<2;elseif (length(handles.shu6)>=2)&&(handles.shu6(end-1)==')')&& (handles.shu6(1)=='l')temp=handles.shu6(end);handles.shu6(end)=handles.shu6(end-1);handles.shu6(end-1)=temp;endset(handles.edit1,'string',handles.shu6);guidata(hObject, handles);function pushbutton18_Callback(hObject, eventdata, handles) handles.jieguo=get(handles.edit1,'string');handles.jieguo=strcat('=',handles.jieguo);eval(['handles.result''1' handles.jieguo]);set(handles.edit5,'string',num2str(handles.result1));guidata(hObject,handles);function pushbutton_0_Callback(hObject, eventdata, handles) handles.shu0=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');if handles.yuanshu(end)=='N';handles.yuanshu(end)='';endif handles.yuanshu(1)=='0';handles.yuanshu=handles.yuanshu(2:end);endhandles.shu0=strcat(handles.yuanshu,handles.shu0);if length(handles.shu0)<2;elseif (length(handles.shu0)>=2)&&(handles.shu0(end-1)==')')&& (handles.shu0(1)=='l')temp=handles.shu0(end);handles.shu0(end)=handles.shu0(end-1);handles.shu0(end-1)=temp;endset(handles.edit1,'string',handles.shu0);guidata(hObject, handles);function pushbutton20_Callback(hObject, eventdata, handles) handles.shu10=get(hObject,'string');handles.yuanshu=get(handles.edit1,'string');handles.shu10=strcat(handles.yuanshu,handles.shu10);set(handles.edit1,'string',handles.shu10);guidata(hObject, handles);function pushbutton21_Callback(hObject, eventdata, handles) function edit5_Callback(hObject, eventdata, handles)function edit5_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'),get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');endfunction pushbutton22_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.fanhao=strcat('-(',handles.yuanshu,')');set(handles.edit1,'string',handles.fanhao);guidata(hObject, handles);function pushbutton23_Callback(hObject, eventdata, handles)set(handles.edit1,'string','0');set(handles.edit5,'string','0');guidata(hObject, handles);function pushbutton24_Callback(hObject, eventdata, handles)result=questdlg('ÕæµÄÒªÍ˳ö£¿','Í˳öÈ·ÈÏ','È·¶¨','È¡Ïû','È¡Ïû'); if result=='È·¶¨', close(gcf); endfunction pushbutton25_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.sin=strcat('sin(',handles.yuanshu,')');set(handles.edit1,'string',handles.sin);guidata(hObject, handles);function pushbutton26_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.cos=strcat('cos(',handles.yuanshu,')');set(handles.edit1,'string',handles.cos);guidata(hObject, handles);function pushbutton27_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.tan=strcat('tan(',handles.yuanshu,')');set(handles.edit1,'string',handles.tan);guidata(hObject, handles);function pushbutton28_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.ln=strcat('reallog(',handles.yuanshu,')');set(handles.edit1,'string',handles.ln);guidata(hObject, handles);function pushbutton29_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.log=strcat('log',handles.yuanshu,'()');set(handles.edit1,'string',handles.log);guidata(hObject, handles);function pushbutton30_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.daoshu=strcat('1/(',handles.yuanshu,')');set(handles.edit1,'string',handles.daoshu);guidata(hObject, handles);function pushbutton31_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.sqrt=strcat('sqrt(',handles.yuanshu,')');set(handles.edit1,'string',handles.sqrt);guidata(hObject, handles);function pushbutton32_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.pingfang=strcat('(',handles.yuanshu,')^2');set(handles.edit1,'string',handles.pingfang);guidata(hObject, handles);function pushbutton33_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.ncifang=strcat('(',handles.yuanshu,')^N');set(handles.edit1,'string',handles.ncifang);guidata(hObject, handles);function pushbutton35_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.kuohao=strcat('(',handles.yuanshu,')');set(handles.edit1,'string',handles.kuohao);guidata(hObject, handles);function pushbutton36_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.yuanshu=handles.yuanshu(1:(end-1));if length(handles.yuanshu)<1handles.yuanshu='0';endset(handles.edit1,'string',handles.yuanshu);guidata(hObject, handles);% --- Executes on button press in pushbutton37.function pushbutton37_Callback(hObject, eventdata, handles) handles.yuanshu=get(handles.edit1,'string');handles.exp=strcat('exp(',handles.yuanshu,')');set(handles.edit1,'string',handles.exp);guidata(hObject, handles);% --- Executes when user attempts to close figure1.function figure1_CloseRequestFcn(hObject, eventdata, handles)% hObject handle to figure1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)% Hint: delete(hObject) closes the figuredelete(hObject);%--------------------------------------------------------------------function Untitled_14_Callback(hObject, eventdata, handles)% hObject handle to Untitled_14 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%--------------------------------------------------------------------function Untitled_15_Callback(hObject, eventdata, handles)set(gcf,'color','red')% hObject handle to Untitled_15 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%--------------------------------------------------------------------function Untitled_16_Callback(hObject, eventdata, handles)set(gcf,'color','blue')% hObject handle to Untitled_16 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%--------------------------------------------------------------------function Untitled_17_Callback(hObject, eventdata, handles)set(gcf,'color','green')% hObject handle to Untitled_17 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%--------------------------------------------------------------------function Untitled_18_Callback(hObject, eventdata, handles)set(gcf,'color','black')% hObject handle to Untitled_18 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%--------------------------------------------------------------------function Untitled_19_Callback(hObject, eventdata, handles)set(gcf,'color','yellow')% hObject handle to Untitled_19 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)%--------------------------------------------------------------------function Untitled_20_Callback(hObject, eventdata, handles)set(gcf,'color','m')% hObject handle to Untitled_20 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) function Untitled_1_Callback(hObject, eventdata, handles)function Untitled_2_Callback(hObject, eventdata, handles)function Untitled_3_Callback(hObject, eventdata, handles)function Untitled_4_Callback(hObject, eventdata, handles)function Untitled_4_CreateFcn(hObject, eventdata, handles)function Untitled_5_Callback(hObject, eventdata, handles)function Untitled_6_Callback(hObject, eventdata, handles)。

MATLABGUI入门简单实例(加法计算器)

MATLABGUI入门简单实例(加法计算器)

本人初学GUI ,针对网上版本的混乱,学得一头雾水,特重新整理如下,供大家参考。

1.首先我们新建一个 GUI 文件:File/New/GUI 如下图所示;选择 Blank GUI(Default),点击 OK 。

2.进入GUI 开发环境以后添加 3个编辑文本框(Edit Text ),2个静态文本框(Static Text ), 和一个Push Button 按钮,布置如下图所示;⑷修改Pushbutton 按钮的属性,“ string 改为“ Add ” “ tag 改为“ add ”⑸另外2个Static 文本就是的“ string 修改为"+ ”"=”(6)点击“保存”,名字任意取,自动弹出 M 文件(我的是7.0版本,不知其他版本会不 会如此)。

(1) 第一个 “in putl ”(2) 第二个 “input2 ”(3)第三个“ Edit Text! ”的用来存储第一个加数,我们将“Edit Tex2”的用来存储第二个加数,我们将"Edit Tex3"的 “string 改为 “Q ” “tag 为““ string 改为 “ 0,” “ tag 改为 “ string 改为 “ 0” “ tag 改为 an swer3•我们先为第一个Edit Text文本框添加代码,即读取第一个加数;点击上图所示红色方框,选择input1_Callback,光标便立刻移到下面这段代码(程序自动生成)的位置。

function in put1_Callback(hObject, even tdata, han dies)% hObject han dle to in putl (see GCBO)% eve ntdata reserved - to be defi ned in a future version of MATLAB% han dles structure with han dles and user data (see GUIDATA)% Hints: get(hObject, ' String ' ) returns cpnttlnasoext% str2double(get(hObject, ' String ' )) returnscontents of editl as a double然后在上面这段代码的下面插入如下代码:%以字符串的形式来存储数据文本框1的内容•如果字符串不是数字,则现实空白内容input=str2num(get(hObject,'String')); %检查输入是否为空.如果为空,则默认显示为0 if(isempty(i nput))set(hObject,'Stri ng','0')endguidata(hObject,handles);%保存handles结构体,只要在handles结构体有改变时,才需要保存%guidata(hObject, handles);%这里由于handles没有改变,故这里其实没有必要,但是为了避免潜在的不必要麻烦,建议在所有Callback都添加该命令。

基于matlabe简易计算器的设计论文

基于matlabe简易计算器的设计论文

visual c++简单计算器课程设计专业:通信工程班级:通信一班学号:2404070132姓名:王龙龙指导教师:吴向东实验时间:2011年3月18日一、实验目的与要求1、实验目的:通过学习掌握面向对象编程的分析设计方法,以及与面向对象技术相关的一些软件开发技术,同时熟悉Visual C++6.0的开发环境,并掌握在 VisualC++6环境下进行可视化程序设计技术。

通过该课程设计的实践,为进一步开展相关领域的学习和科研打下良好的基础。

2、实验要求:在Visual C++6.0环境下设计一个具有如下功能的简单计算器:具有加、减、乘、除、倒数、阶乘、平方和显示功能二、实验过程:1、建立工程:2、添加按键并设置属性:3、程序设计及编辑:1)、数字“1”键程序(0~9键类似):void CCaculator_loloView::OnButton1(){if(c==0)a=1+a*10;else{a=a+1*pow(0.1,i);i++;}m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }2)“.”键程序:void CCaculator_loloView::OnButton11(){i=1;c=1;UpdateData(true);//DO: Add your control notification handler code here}3)“=”键程序:void CCaculator_loloView::OnButton12(){switch (d){case 1:a=b+a;break;case 2:a=b-a;break;case 3:a=b*a;break;case 4:a=b/a;break;//case 5:a=1/a;break;}m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }4)“+”键程序:void CCaculator_loloView::OnButton13(){b=a;a=0;c=0;d=1;m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }5)“-”键程序:void CCaculator_loloView::OnButton14(){b=a;a=0;c=0;d=2;m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }6)“*”键程序:void CCaculator_loloView::OnButton15(){b=a;a=0;c=0;d=3;m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }7)“/”键程序:void CCaculator_loloView::OnButton16(){b=a;a=0;c=0;d=4;m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }8)清楚“C”键程序:void CCaculator_loloView::OnButton17(){a=0;m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }9)倒数“1/X”键程序:void CCaculator_loloView::OnButton18(){a=1/a;m_out=a;UpdateData(false);// TODO: Add your control notification handler code here }10)阶乘“X!”键程序:void CCaculator_loloView::OnButton19(){for(m=1;a>=1;a--)m*=a;m_out=m;UpdateData(false); // TODO: Add your control notification handler code here }11)平方“X^2”键程序:void CCaculator_loloView::OnButton20(){n=a*a;m_out=n;UpdateData(false); // TODO: Add your control notification handler code herea=0;}4、调试程序并修改,计算器最终结果如下图:四、结论在做这个课程设计之前对Visual C++的设计还很陌生,但通过课堂学习和课程设计的摸索,掌握了很多Visual C++设计的技术。

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电子信息工程系实验报告课程名称:MATLAB语言Array实验项目名称:MATLAB图形用户界面设计实验时间:2010-5-8 班级:姓名:学号:实验目的: 1、熟悉MATLAB的主要控件使用方法。

2、熟悉MATLAB的GUI设计流程。

实验环境:硬件配置( Pentium(R) 4 CPU 2.40GHz,1GB内存)操作系统(Windows XP)编程软件:MATLAB7.0实验内容与结果:使用MATLAB的GUI接口设计一个简单的计算器。

效果图:程序源码部分函数及相关注释:%0~9数字键及小数点按钮代码范例%全局变量locaval用于存储用户输入的多位数值%全局变量gloval2用于存储待处理的第二位数值function pushbutton1_Callback(hObject, eventdata, handles)global locaval;a = get(handles.pushbutton1,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);%运算符按钮处理“+、-、*、\”范例%全局变量flagnum存储运算符标志%全局变量global1用于储存第一个待处理数值function pushbutton10_Callback(hObject, eventdata, handles)a = get(handles.pushbutton10,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' ';flagnum=1;gloval1=b;guidata(hObject, handles);%取相反数按钮“+\-”代码%算法实现:用零减去文本框现在的值,再赋值给文本框function pushbutton14_Callback(hObject, eventdata, handles)global locaval;locaval=str2num(locaval);locaval=0-locaval;locaval=num2str(locaval);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% 等号按钮运算实现%根据flagnum运算标志用switch决策语句实现相应计算%需注意相应数据类型的转化function pushbutton17_Callback(hObject, eventdata, handles)global flagnumglobal gloval1global gloval2global locavallocaval=' ';gloval1=str2num(gloval1);gloval2=str2num(gloval2);case1=gloval1/gloval2;case2=gloval1*gloval2;case3=gloval1-gloval2;case4=gloval1+gloval2;case1=num2str(case1);case2=num2str(case2);case3=num2str(case3);case4=num2str(case4);switch flagnum;case 1set(handles.text1,'String',case1);case 2set(handles.text1,'String',case2);case 3set(handles.text1,'String',case3);case 4set(handles.text1,'String',case4);endguidata(hObject,handles)% BackSpace按钮函数%算法实现:MA TLAB是用矩阵存储数据的,相应的可以取文本框的前N-1实现其功能function pushbutton19_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');if(strcmp(textString,'0.')==1)set(handles.text1,'String','0.') ;elsess=char(textString);l=length(textString);textString=ss(1:l-1);set(handles.text1,'String',textString)endguidata(hObject,handles)%C清除按钮函数%把全局变量locaval清零function pushbutton20_Callback(hObject, eventdata, handles)global locavallocaval=' ';set(handles.text1,'String','0.');guidata(hObject,handles)%开平方函数function pushbutton22_Callback(hObject, eventdata, handles)textString = get(handles.text1,'String');textString=str2num(textString);textString=sqrt(textString);textString=num2str(textString);set(handles.text1,'String',textString);locaval=' ';guidata(hObject,handles)%取1/x函数function pushbutton24_Callback(hObject, eventdata, handles)global locavallocaval=str2num(locaval);locaval=1/locaval;set(handles.text1,'String',locaval);locaval=' ';guidata(hObject,handles)实验心得:!、通过MATLAB简单计算器的设计,初步了解了关于MATLAB图形用户界面的部分控件的使用方法。

2、MATLAB的GUI提供的很多实用的控件,方便用于设计属于自己的图形界面。

源码:function varargout = bt0(varargin)% BT0 M-file for bt0.fig% BT0, by itself, creates a new BT0 or raises the existing% singleton*.%% H = BT0 returns the handle to a new BT0 or the handle to% the existing singleton*.%% BT0('Property','Value',...) creates a new BT0 using the% given property value pairs. Unrecognized properties are passed via% varargin to bt0_OpeningFcn. This calling syntax produces a% warning when there is an existing singleton*.%% BT0('CALLBACK') and BT0('CALLBACK',hObject,...) call the% local function named CALLBACK in BT0.M with the given input% arguments.%% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one % instance to run (singleton)".%% See also: GUIDE, GUIDA TA, GUIHANDLES% Edit the above text to modify the response to help bt0% Last Modified by GUIDE v2.5 04-May-2010 14:01:00% Begin initialization code - DO NOT EDITglobal gloval1;global gloval2;global flagnum;global locaval;gui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @bt0_OpeningFcn, ...'gui_OutputFcn', @bt0_OutputFcn, ...'gui_LayoutFcn', [], ...'gui_Callback', []);if nargin & isstr(varargin{1})gui_State.gui_Callback = str2func(varargin{1});endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});elsegui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before bt0 is made visible.function bt0_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDA TA)% varargin unrecognized PropertyName/PropertyValue pairs from the% command line (see V ARARGIN)% Choose default command line output for bt0handles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes bt0 wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line. function varargout = bt0_OutputFcn(hObject, eventdata, handles)% varargout cell array for returning output args (see V ARARGOUT); % hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Get default command line output from handles structure varargout{1} = handles.output;% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject handle to pushbutton1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locaval;a = get(handles.pushbutton1,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton2.function pushbutton2_Callback(hObject, eventdata, handles)% hObject handle to pushbutton2 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locaval;a = get(handles.pushbutton2,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)% hObject handle to pushbutton3 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global locavala = get(handles.pushbutton3,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton4.function pushbutton4_Callback(hObject, eventdata, handles)% hObject handle to pushbutton4 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global locavala = get(handles.pushbutton4,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton5.function pushbutton5_Callback(hObject, eventdata, handles)% hObject handle to pushbutton5 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavala = get(handles.pushbutton5,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton6.function pushbutton6_Callback(hObject, eventdata, handles)% hObject handle to pushbutton6 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavala = get(handles.pushbutton6,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton7.function pushbutton7_Callback(hObject, eventdata, handles)% hObject handle to pushbutton7 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavala = get(handles.pushbutton7,'String');locaval=strcat(locaval,a)set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton8.function pushbutton8_Callback(hObject, eventdata, handles)% hObject handle to pushbutton8 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global locavala = get(handles.pushbutton8,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton9.function pushbutton9_Callback(hObject, eventdata, handles)% hObject handle to pushbutton9 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global locavala = get(handles.pushbutton9,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton10.function pushbutton10_Callback(hObject, eventdata, handles)% hObject handle to pushbutton10 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA)a = get(handles.pushbutton10,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' ';flagnum=1;gloval1=b;guidata(hObject, handles);% --- Executes on button press in pushbutton11.function pushbutton11_Callback(hObject, eventdata, handles)% hObject handle to pushbutton11 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDA TA)a = get(handles.pushbutton11,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' ';flagnum=2;gloval1=b;guidata(hObject, handles);% --- Executes on button press in pushbutton12.function pushbutton12_Callback(hObject, eventdata, handles)% hObject handle to pushbutton12 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDA TA)a = get(handles.pushbutton12,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' ';flagnum=3;gloval1=b;guidata(hObject, handles);% --- If Enable == 'on', executes on mouse press in 5 pixel border.% --- Otherwise, executes on mouse press in 5 pixel border or over pushbutton13. function pushbutton13_ButtonDownFcn(hObject, eventdata, handles)% hObject handle to pushbutton13 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDA TA)global locavala = get(handles.pushbutton13,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton13.function pushbutton13_Callback(hObject, eventdata, handles)% hObject handle to pushbutton13 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavala = get(handles.pushbutton13,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=a;guidata(hObject, handles);% --- Executes on button press in pushbutton14.function pushbutton14_Callback(hObject, eventdata, handles)% hObject handle to pushbutton14 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locaval;locaval=str2num(locaval);locaval=0-locaval;locaval=num2str(locaval);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton15.function pushbutton15_Callback(hObject, eventdata, handles)% hObject handle to pushbutton15 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) a = get(handles.pushbutton15,'String');set(handles.text1,'String',a);guidata(hObject, handles);% --- Executes on button press in pushbutton16.function pushbutton16_Callback(hObject, eventdata, handles)% hObject handle to pushbutton16 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA)a = get(handles.pushbutton16,'String');b = get(handles.text1,'String');set(handles.text1,'String',a);global flagnumglobal gloval1global locavallocaval=' ';flagnum=4;gloval1=b;guidata(hObject, handles);% --- Executes on button press in pushbutton17.function pushbutton17_Callback(hObject, eventdata, handles)% hObject handle to pushbutton17 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global flagnumglobal gloval1global gloval2global locavallocaval=' ';gloval1=str2num(gloval1);gloval2=str2num(gloval2);case1=gloval1/gloval2;case2=gloval1*gloval2;case3=gloval1-gloval2;case4=gloval1+gloval2;case1=num2str(case1);case2=num2str(case2);case3=num2str(case3);case4=num2str(case4);switch flagnum;case 1set(handles.text1,'String',case1);case 2set(handles.text1,'String',case2);case 3set(handles.text1,'String',case3);case 4set(handles.text1,'String',case4);endguidata(hObject,handles)% --- Executes on button press in pushbutton18.function pushbutton18_Callback(hObject, eventdata, handles)% hObject handle to pushbutton18 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA)global locaval;a = get(handles.pushbutton18,'String');locaval=strcat(locaval,a);set(handles.text1,'String',locaval);global gloval2gloval2=locaval;guidata(hObject, handles);% --- Executes on button press in pushbutton19.function pushbutton19_Callback(hObject, eventdata, handles)% hObject handle to pushbutton19 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) textString = get(handles.text1,'String');if(strcmp(textString,'0.')==1)set(handles.text1,'String','0.') ;elsess=char(textString);l=length(textString);textString=ss(1:l-1);set(handles.text1,'String',textString)endguidata(hObject,handles)% --- Executes on button press in pushbutton20.function pushbutton20_Callback(hObject, eventdata, handles)% hObject handle to pushbutton20 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavallocaval=' ';set(handles.text1,'String','0.');guidata(hObject,handles)% --- Executes on button press in pushbutton21.function pushbutton21_Callback(hObject, eventdata, handles)% hObject handle to pushbutton21 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavalglobal gloval1global gloval2locaval=' ';gloval1=' ';gloval2=' ';set(handles.text1,'String','0.');guidata(hObject,handles)% --- Executes on button press in pushbutton22.function pushbutton22_Callback(hObject, eventdata, handles)% hObject handle to pushbutton22 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) textString = get(handles.text1,'String');textString=str2num(textString);textString=sqrt(textString);textString=num2str(textString);set(handles.text1,'String',textString);locaval=' ';guidata(hObject,handles)% --- Executes on button press in pushbutton23.function pushbutton23_Callback(hObject, eventdata, handles)% hObject handle to pushbutton23 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) % --- Executes on button press in pushbutton24.function pushbutton24_Callback(hObject, eventdata, handles)% hObject handle to pushbutton24 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDA TA) global locavallocaval=str2num(locaval);locaval=1/locaval;set(handles.text1,'String',locaval);locaval=' ';guidata(hObject,handles)。

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