一、數(shù)學運算

函數(shù)名description說明

add(x1, x2, [, out, where, casting, order, …])	Add arguments element-wise.	按元素添加參數(shù)。
subtract(x1, x2, [, out, where, casting, …])	Subtract arguments, element-wise.	從元素角度減去參數(shù)。
multiply(x1, x2, [, out, where, casting, …])	Multiply arguments element-wise.	將參數(shù)逐元素相乘。
matmul(x1, x2, [, out, casting, order, …])	Matrix product of two arrays.	兩個數(shù)組的矩陣乘積。
divide(x1, x2, [, out, where, casting, …])	Returns a true division of the inputs, element-wise.	以元素為單位返回輸入的真實除法。
logaddexp(x1, x2, [, out, where, casting, …])	Logarithm of the sum of exponentiations of the inputs.	輸入取冪之和的對數(shù)。
logaddexp2(x1, x2, [, out, where, casting, …])	Logarithm of the sum of exponentiations of the inputs in base-2.	以2為底的輸入的冪和的對數(shù)。
true_divide(x1, x2, [, out, where, …])	Returns a true division of the inputs, element-wise.	以元素為單位返回輸入的真實除法。
floor_divide(x1, x2, [, out, where, …])	Return the largest integer smaller or equal to the division of the inputs.	返回小于或等于輸入除法的最大整數(shù)。
negative(x, [, out, where, casting, order, …])	Numerical negative, element-wise.	數(shù)值為負數(shù)，逐元素。
positive(x, [, out, where, casting, order, …])	Numerical positive, element-wise.	數(shù)值正數(shù)，逐元素。
power(x1, x2, [, out, where, casting, …])	First array elements raised to powers from second array, element-wise.	第一個數(shù)組元素在元素方面從第二個數(shù)組提升為冪。
float_power(x1, x2, [, out, where, …])	First array elements raised to powers from second array, element-wise.	第一個數(shù)組元素在元素方面從第二個數(shù)組提升為冪。
remainder(x1, x2, [, out, where, casting, …])	Return element-wise remainder of division.	返回元素的除法余數(shù)。
mod(x1, x2, [, out, where, casting, order, …])	Return element-wise remainder of division.	返回元素的除法余數(shù)。
fmod(x1, x2, [, out, where, casting, …])	Return the element-wise remainder of division.	返回元素的除法余數(shù)。
divmod(x1, x2[, out1, out2], [, out, …])	Return element-wise quotient and remainder simultaneously.	同時返回元素商和余數(shù)。
absolute(x, [, out, where, casting, order, …])	Calculate the absolute value element-wise.	按元素計算絕對值。
fabs(x, [, out, where, casting, order, …])	Compute the absolute values element-wise.	按元素計算絕對值。
rint(x, [, out, where, casting, order, …])	Round elements of the array to the nearest integer.	將數(shù)組的元素四舍五入到最接近的整數(shù)。
sign(x, [, out, where, casting, order, …])	Returns an element-wise indication of the sign of a number.	返回數(shù)字符號的逐元素指示。
heaviside(x1, x2, [, out, where, casting, …])	Compute the Heaviside step function.	計算Heaviside階躍函數(shù)。
conj(x, [, out, where, casting, order, …])	Return the complex conjugate, element-wise.	逐元素返回復共軛。
conjugate(x, [, out, where, casting, …])	Return the complex conjugate, element-wise.	逐元素返回復共軛。
exp(x, [, out, where, casting, order, …])	Calculate the exponential of all elements in the input array.	計算輸入數(shù)組中所有元素的指數(shù)。
exp2(x, [, out, where, casting, order, …])	Calculate 2**p for all p in the input array.	為輸入數(shù)組中的所有p計算2 ** p。
log(x, [, out, where, casting, order, …])	Natural logarithm, element-wise.	自然對數(shù)，逐元素。
log2(x, [, out, where, casting, order, …])	Base-2 logarithm of x.	x的以2為底的對數(shù)。
log10(x, [, out, where, casting, order, …])	Return the base 10 logarithm of the input array, element-wise.	以元素為單位返回輸入數(shù)組的以10為底的對數(shù)。
expm1(x, [, out, where, casting, order, …])	Calculate exp(x) - 1 for all elements in the array.	為數(shù)組中的所有元素計算exp（x）-1。
log1p(x, [, out, where, casting, order, …])	Return the natural logarithm of one plus the input array, element-wise.	返回元素加一個輸入數(shù)組的自然對數(shù)。
sqrt(x, [, out, where, casting, order, …])	Return the non-negative square-root of an array, element-wise.	以元素為單位返回數(shù)組的非負平方根。
square(x, [, out, where, casting, order, …])	Return the element-wise square of the input.	返回輸入的元素方平方。
cbrt(x, [, out, where, casting, order, …])	Return the cube-root of an array, element-wise.	返回元素的數(shù)組的立方根。
reciprocal(x, [, out, where, casting, …])	Return the reciprocal of the argument, element-wise.	以元素為單位返回參數(shù)的倒數(shù)。
gcd(x1, x2, [, out, where, casting, order, …])	Returns the greatest common divisor of |x1| and |x2|	返回| x1 |的最大公約數(shù)。和| x2 |
lcm(x1, x2, [, out, where, casting, order, …])	Returns the lowest common multiple of |x1| and |x2|	返回| x1 |的最小公倍數(shù)和| x2 |

二、三角函數(shù)

函數(shù)名description說明

sin(x, [, out, where, casting, order, …])	Trigonometric sine, element-wise.	三角正弦，元素方式。
cos(x, [, out, where, casting, order, …])	Cosine element-wise.	余弦元素。
tan(x, [, out, where, casting, order, …])	Compute tangent element-wise.	按元素計算切線。
arcsin(x, [, out, where, casting, order, …])	Inverse sine, element-wise.	按元素反正弦。
arccos(x, [, out, where, casting, order, …])	Trigonometric inverse cosine, element-wise.	三角反余弦，元素方式。
arctan(x, [, out, where, casting, order, …])	Trigonometric inverse tangent, element-wise.	三角逆切線，元素方向。
arctan2(x1, x2, [, out, where, casting, …])	Element-wise arc tangent of x1/x2 choosing the quadrant correctly.	正確選擇象限的x1 / x2的逐元素反正切。
hypot(x1, x2, [, out, where, casting, …])	Given the “l(fā)egs” of a right triangle, return its hypotenuse.	給定直角三角形的“腿”，返回其斜邊。
sinh(x, [, out, where, casting, order, …])	Hyperbolic sine, element-wise.	雙曲正弦，逐元素。
cosh(x, [, out, where, casting, order, …])	Hyperbolic cosine, element-wise.	雙曲余弦，元素方式。
tanh(x, [, out, where, casting, order, …])	Compute hyperbolic tangent element-wise.	計算雙曲正切元素。
arcsinh(x, [, out, where, casting, order, …])	Inverse hyperbolic sine element-wise.	反雙曲正弦元素。
arccosh(x, [, out, where, casting, order, …])	Inverse hyperbolic cosine, element-wise.	反雙曲余弦，逐元素。
arctanh(x, [, out, where, casting, order, …])	Inverse hyperbolic tangent element-wise.	反雙曲正切元素明智。
degrees(x, [, out, where, casting, order, …])	Convert angles from radians to degrees.	將角度從弧度轉(zhuǎn)換為度。
radians(x, [, out, where, casting, order, …])	Convert angles from degrees to radians.	將角度從度轉(zhuǎn)換為弧度。
deg2rad(x, [, out, where, casting, order, …])	Convert angles from degrees to radians.	將角度從度轉(zhuǎn)換為弧度。
rad2deg(x, [, out, where, casting, order, …])	Convert angles from radians to degrees.	將角度從弧度轉(zhuǎn)換為度。

三、位操作

函數(shù)名description說明

bitwise_and(x1, x2, [, out, where, …])	Compute the bit-wise AND of two arrays element-wise.	按元素計算兩個數(shù)組的按位與。
bitwise_or(x1, x2, [, out, where, casting, …])	Compute the bit-wise OR of two arrays element-wise.	按元素計算兩個數(shù)組的按位或。
bitwise_xor(x1, x2, [, out, where, …])	Compute the bit-wise XOR of two arrays element-wise.	按元素計算兩個數(shù)組的按位XOR。
invert(x, [, out, where, casting, order, …])	Compute bit-wise inversion, or bit-wise NOT, element-wise.	按元素計算按位求反，或按位求非。
left_shift(x1, x2, [, out, where, casting, …])	Shift the bits of an integer to the left.	向左移動整數(shù)的位。
right_shift(x1, x2, [, out, where, …])	Shift the bits of an integer to the right.	向右移整數(shù)的位。

四、比較函數(shù)

函數(shù)名description說明

greater(x1, x2, [, out, where, casting, …])	Return the truth value of (x1 > x2) element-wise.	按元素返回（x1> x2）的真值。
greater_equal(x1, x2, [, out, where, …])	Return the truth value of (x1 >= x2) element-wise.	逐元素返回（x1> = x2）的真值。
less(x1, x2, [, out, where, casting, …])	Return the truth value of (x1 < x2) element-wise.	按元素返回（x1 <x2）的真值。
less_equal(x1, x2, [, out, where, casting, …])	Return the truth value of (x1 =< x2) element-wise.	逐元素返回（x1 = <x2）的真值。
not_equal(x1, x2, [, out, where, casting, …])	Return (x1 != x2) element-wise.	按元素返回（x1！= x2）。
equal(x1, x2, [, out, where, casting, …])	Return (x1 == x2) element-wise.	按元素返回（x1 == x2）。
logical_and(x1, x2, [, out, where, …])	Compute the truth value of x1 AND x2 element-wise.	按元素計算x1和x2的真值。
logical_or(x1, x2, [, out, where, casting, …])	Compute the truth value of x1 OR x2 element-wise.	按元素計算x1或x2的真值。
logical_xor(x1, x2, [, out, where, …])	Compute the truth value of x1 XOR x2, element-wise.	按元素計算x1 XOR x2的真值。
logical_not(x, [, out, where, casting, …])	Compute the truth value of NOT x element-wise.	按元素計算NOT x的真值。
maximum(x1, x2, [, out, where, casting, …])	Element-wise maximum of array elements.	數(shù)組元素的逐元素最大值。
minimum(x1, x2, [, out, where, casting, …])	Element-wise minimum of array elements.	數(shù)組元素的按元素最小值。
fmax(x1, x2, [, out, where, casting, …])	Element-wise maximum of array elements.	數(shù)組元素的逐元素最大值。
fmin(x1, x2, [, out, where, casting, …])	Element-wise minimum of array elements.	數(shù)組元素的按元素最小值。

五、其它函數(shù)

函數(shù)名description說明

isfinite(x, [, out, where, casting, order, …])	Test element-wise for finiteness (not infinity or not Not a Number).	逐一測試有限性（不是無窮大還是不是數(shù)字）。
isinf(x, [, out, where, casting, order, …])	Test element-wise for positive or negative infinity.	逐元素測試正無窮大或負無窮大。
isnan(x, [, out, where, casting, order, …])	Test element-wise for NaN and return result as a boolean array.	對NaN逐個元素進行測試，并以布爾數(shù)組返回結(jié)果。
isnat(x, [, out, where, casting, order, …])	Test element-wise for NaT (not a time) and return result as a boolean array.	對NaT（不是時間）逐個元素進行測試，并將結(jié)果作為布爾數(shù)組返回。
fabs(x, [, out, where, casting, order, …])	Compute the absolute values element-wise.	按元素計算絕對值。
signbit(x, [, out, where, casting, order, …])	Returns element-wise True where signbit is set (less than zero).	返回設置有符號位（小于零）的元素級True。
copysign(x1, x2, [, out, where, casting, …])	Change the sign of x1 to that of x2, element-wise.	逐元素地將x1的符號更改為x2的符號。
nextafter(x1, x2, [, out, where, casting, …])	Return the next floating-point value after x1 towards x2, element-wise.	將x1之后的下一個浮點值向x2逐元素返回。
spacing(x, [, out, where, casting, order, …])	Return the distance between x and the nearest adjacent number.	返回x與最接近的相鄰數(shù)字之間的距離。
modf(x[, out1, out2], [, out, where, …])	Return the fractional and integral parts of an array, element-wise.	以元素為單位返回數(shù)組的小數(shù)和整數(shù)部分。
ldexp(x1, x2, [, out, where, casting, …])	Returns x1 * 2**x2, element-wise.	按元素返回x1 * 2 ** x2。
frexp(x[, out1, out2], [, out, where, …])	Decompose the elements of x into mantissa and twos exponent.	將x的元素分解為尾數(shù)和二進制指數(shù)。
fmod(x1, x2, [, out, where, casting, …])	Return the element-wise remainder of division.	返回元素的除法余數(shù)。
floor(x, [, out, where, casting, order, …])	Return the floor of the input, element-wise.	以元素為單位返回輸入的底限。
ceil(x, [, out, where, casting, order, …])	Return the ceiling of the input, element-wise.	以元素為單位返回輸入的上限。
trunc(x, [, out, where, casting, order, …])	Return the truncated value of the input, element-wise.	以元素為單位返回輸入的截斷值。

總結(jié)

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