数学公式的英语读法和各种数学语言的英语翻译
1.Logic ? ? p?q p?q 2.Sets x∈A x?A A?B A?B A∩B A∪B AB A×B 3. Real numbers x+1 x-1 x±1 xy (x - y)(x + y) x/y = x = 5 x≠5 x≡y x≡/y(x不等于y)x > y x≥y x < y x≤y there exist for all p implies q / if p, then q p if and only if q /p is equivalent to q / p and q are equivalent 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 x plus one x minus one x plus or minus one xy / x multiplied by y x minus y, x plus y x over y the equals sign 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 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 0 < x < 1 0≤x≤1 | x | x 2 (x的平方) x 3 x 4 x n x ?n x的(算术)平方根 x的立方根 x 的4次方根 x 的n 次方根 ( x+y ) 2 ( x/y ) 2 n! x ^ x ˉ x ? x i ∑ i=1 n a i 4.Linear Algebra ‖ x ‖ OA → OA ˉ A T (转置) A ?1 (逆) 5. Functions f( x ) f:S→T x→y f'( x ) f''( x ) f'''( x ) 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 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 (square) root x / the square root of x cube root (of) x fourth root (of) x nth root (of) x x plus y all squared x over y all squared n factorial x hat x bar x tilde xi / x subscript i / x suffix i / x sub i the sum from i equals one to n a i / the sum as i runs from 1 to n of the a i 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 fx / 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 prime x / f dash x / the (first) derivative of f with respect to x f double-prime x / f double-dash x / the second derivative of f with respect to x triple-prime x / f triple-dash x / the third derivative of f with respect to x f (4) ( x ) ?f /? x 1 (f对x1的偏导) f four x / the fourth derivative of f with respect to x the partial (derivative) of f with respect to x1 ? 2 f /? x 1 2 (f对x1再对x2的2 阶偏导) ∫ 0 ∞ (积分0到∞) lim x→0 lim x→ 0 + lim x→ 0 ? log e y lny
the second partial (derivative) of f with respect to x1 the integral from zero to infinity the limit as x approaches zero 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 log y to the base e / log to the base e of y / natural log (of) y