一些数学符号的英文读法

合集下载
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

f (4) ( x)
f four x / the fourth derivative of f with respect to x
the partial (derivative) of f with respect to x1
f x1
2 f x12
the second partial (derivative) of f with respect to x1 the integral from zero to infinity the limit as x approaches zero
aggregate element void subset intersection union complement mapping function domain, field of definition range constant variable monotonicity parity periodicity image series calculus differential derivative limit infinite(a.) infinity(n.) infinitesimal integral definite integral indefinite integral rational number irrational number
to x
f ( x)
f double-prime x / f double-dash x / the second derivative
of f with respect to x
f ( x)
triple-prime x / with respect to x
f triple-dash x / the third derivative of f
有效数字 无效数字 代数 公式 单项式 多项式 系数 未知数 等式、方程式 一次方程 二次方程 三次方程 四次方程 不等式 阶乘 对数 指数、幂 乘方 二次方、平方 三次方、立方 四次方
n 次方
significant digit insignificant digit algebra formula, formulae(pl.) monomial polynomial, multinomial coefficient unknown, equation simple equation quadratic equation cubic equation quartic equation inequation factorial logarithm exponent power square cube the power of four, the fourth power the power of n , the nth power evolution, extraction square root
x y
n!
2
源自文库
ˆ x
x
% x
xi
x i / x subscript i / x suffix i / x sub i
ai
i 1
n
the sum from i equals one to n a i / the sum as i runs from 1 to n of the a i
x y
x y
0 x 1 0 x 1
x
x2 x3 x4 xn
xn
x
3
x squared / x (raised) to the power 2 x cubed x to the fourth / x to the power four x to the nth / x to the power n x to the (power) minus n
4、Linear algebra
x
uuu r OA OA
the norm (or modulus) of x
OA / vector OA OA / the length of the segment OA
A transpose / the transpose of A A inverse / the inverse of A
斜边 勾股定理 钝角三角形 不等边三角形 等腰三角形 等边三角形 四边形 平行四边形 矩形 长 宽
hypotenuse Pythagorean theorem obtuse triangle scalene triangle isosceles triangle equilateral triangle quadrilateral parallelogram rectangle length width
实数 虚数 复数 矩阵 行列式 几何 点 线 面 体 线段 射线 平行 相交 角 角度 弧度 锐角 直角 钝角 平角 周角 底 边 高 三角形 锐角三角形 直角三角形 直角边
real number imaginary number complex number matrix determinant geometry point line plane solid segment radial parallel intersect angle degree radian acute angle right angle obtuse angle straight angle perigon base side height triangle acute triangle right triangle leg


0
lim
x 0
x 0
lim
the limit as x approaches zero from above the limit as x approaches zero from below log y to the base e / log to the base e of y / natural log (of) y
AI B AUB
A\ B
A B
3、Real numbers
x 1
x 1 x 1
xy
x plus one x minus one x plus or minus one
xy / x multiplied by y
( x y)( x y)
x y
x minus y , x plus y x over y / x is divided by y
the equals sign

x5 x5
x y
x equals 5 / x is equal to 5 x (is) not equal to 5
x is equivalent to (or identical with) y x is not equivalent to (or identical with) y
x 0
lim
log e y ln y
一般词汇 数学 公理 定理 计算 运算 证明 假设 命题 算术 加 被加数 加数 和 减 被减数 减数 差 乘 被乘数 乘数 积 除 被除数 除数
mathematics, maths(BrE), math(AmE) axiom theorem calculation operation prove hypothesis, hypotheses(pl.) proposition arithmetic plus(prep.), add(v.), addition(n.) augend, summand addend sum minus(prep.), subtract(v.), subtraction(n.) minuend subtrahend remainder times(prep.), multiply(v.), multiplication(n.) multiplicand, faciend multiplicator product divided by(prep.), divide(v.), division(n.) dividend divisor
开方 二次方根、平方 根 三次方根、立方 根 四次方根
n 次方根
cube root the root of four, the fourth root the root of n , the nth root
集合 元素 空集 子集 交集 并集 补集 映射 函数 定义域 值域 常量 变量 单调性 奇偶性 周期性 图象 数列、级数 微积分 微分 导数 极限 无穷大 无穷小 积分 定积分 不定积分 有理数 无理数
数学公式的英文读法&数学英文词汇 1、Logic


there exist for all
pq pq
p implies q / if p , then q p if and only if q / p is equivalent to q / p and q are
equivalent
2、Sets
x A x A
A B A B
x belongs to A / x is an element (or a member) of A x does not belong to A / x is not an element (or a member) of A
A is contained in B / A is a subset of B A contains B / B is a subset of A A cap B / A meet B / A intersection B A cup B / A join B / A union B A minus B / the diference between A and B A cross B / the cartesian product of A and B
商 等于 大于 小于 大于等于 小于等于 运算符 数字 数 自然数 整数 小数 小数点 分数 分子 分母 比 正 负 零 十进制 二进制 十六进制 权 进位 截尾 四舍五入 下舍入 上舍入
quotient equals, is equal to, is equivalent to is greater than is lesser than is equal or greater than is equal or lesser than operator digit number natural number integer decimal decimal point fraction numerator denominator ratio positive negative null, zero, nought, nil decimal system binary system hexadecimal system weight, significance carry truncation round round down round up
AT A 1
5、Functions
f ( x) f : S T
x y
f x / f of x / the function f of x
a function f from S to T
x maps to y / x is sent (or mapped) to y
f ( x)
f prime x / f dash x / the (first) derivative of f with respect
xy
x y
x y
x is greater than y x is greater than or equal to y x is less than y x is less than or equal to y
zero is less than x is less than 1 zero is less than or equal to x is less than or equal to 1 mod x / modulus x
(square) root x / the square root of x cube root (of) x fourth root (of) x nth root (of) x
x x x
4
n
( x y)2
x plus y all squared x over y all squared
n factorial x hat x bar x tilde
相关文档
最新文档