山东大学数值计算实验一

if(a.y==1&&b.y==1&&c.y==1)//
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{ // if(a.x>=b.x&&a.x>=c.x) { b.x=b.x/a.x; c.x=c.x/a.x; a.x=(int) 1.0; } if(b.x>=a.x&&b.x>=c.x) { a.x=a.x/b.x; c.x=c.x/b.x; b.x=(int) 1.0; } if(c.x>=b.x&&c.x>=a.x) { b.x=b.x/c.x; a.x=a.x/c.x; c.x=(int) 1.0; } res.exe(a.x,b.x,c.x); } else 4ac {
results[0]=((-1)*b+Math.sqrt(det))/(2*a); results[1]=((-1)*b-Math.sqrt(det))/(2*a); } return results; } // double[] fun2(double a,double b,double c) { double[] results=new double[2]; double det=Math.pow(b,2)-4*a*c; if(det>=0) { // 0 results[0]=2*c/((-1)*b-Math.sqrt(det)); results[1]=2*c/((-1)*b+Math.sqrt(det)); } return results; }
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package computing; public class Lab1 { public static void main(String[] args) { // TODO Auto-generated method stub float n=1; float sum=0f; float sum1; while(true){ sum1 = sum; float k =(1.0f)/n;
package computing; public class NewNo { float x; // int y;//radix int z;//zhishu public float getX(){ return x; } public void setX(int x){ this.x = x; } public int getY(){ return y; } public void setY(int y){ this.y = y; } public int getZ(){ return z; } public void setZ(int z){ this.z = z; }
//calculate function void exe(double a,double b, double c) { if(a!=0) {
double det=Math.pow(b,2)-4*a*c; if(det>=0) { double[] results1=fun1(a,b,c); double[] results2=fun2(a,b,c); if(b>=0)//
}
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package computing; import java.util.Scanner; public class Lab12 { public static void main(String[] args){ // TODO Auto-generated method stub NewNo a = new NewNo(); NewNo b = new NewNo(); NewNo c = new NewNo(); Execute res = new Execute(); System.out.println(" a:"); Scanner scan = new Scanner(System.in); a.x = Float.valueOf(scan.nextLine()).floatValue(); a.y = Integer.valueOf(scan.nextLine()).intValue(); a.z = Integer.valueOf(scan.nextLine()).intValue();
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package computing; public class Execute {
//
double[] fun1(double a,double b,double c) { double[] results=new double[2]; double det=(Math.pow(b, 2)-4*a*c); if(det>=0) { // 0
System.out.println(" b:"); b.x = Float.valueOf(scan.nextLine()).floatValue(); b.y = Integer.valueOf(scan.nextLine()).intValue(); b.z = Integer.valueOf(scan.nextLine()).intValue(); System.out.println(" c:"); c.x = Float.valueOf(scan.nextLine()).floatValue(); c.y = Integer.valueOf(scan.nextLine()).intValue(); c.z = Integer.valueOf(scan.nextLine()).intValue();
sum = sum+k; n=n+1; System.out.println(" if(sum1==sum){ break; } } System.out.println("
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{ System.out.println(" 2: "+results2[0]); } else { 1: "+results1[1]+"
System.out.println(" 2: "+results2[1]); }
1: "+results1[0]+"
} else// { double[] results=funDetBelowZero(a,b,c); System.out.println(" : "+results[0]+" : "+results[1]); } } else// a 0 { System.out.println(" : "+funAisZero(b,c)); } }
if(a.z>=b.z&&a.z>=c.z) { int d=a.z-7; a.z=7; b.z=b.z-d; c.z=c.z-d;
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} if(b.z>=a.z&&b.z>=c.z) { int d=b.z-7; b.z=7; a.z=a.z-d; c.z=c.z-d; } if(c.z>=b.z&&c.z>=a.z) { int d=c.z-7; c.z=7; b.z=b.z-d; a.z=a.z-d; } res.exe(a.x*Math.pow(a.y,a.z),b.x*Math.pow(b.y,b.z),c.x*Math. pow(b.y,b.z)); }
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//a=0 double funAisZero(double b,double c){ if(b!=0){ double d=(-1)*c/b; return d; }else{