Mathematics

Arithmetics

add(x1, x2[, out, where])	Add arguments element-wise.
inner(a, b)	Inner product of two arrays.
matmul(x1, x2[, out])	Matrix product of two arrays.
multiply(x1, x2[, out, where])	Multiply arguments element-wise.
negative(x[, out, where])	Numerical negative, element-wise.
outer(a, b[, out])	Compute the outer product of two vectors.
positive(x[, out, where])	Numerical positive, element-wise.
power(x1, x2, **kwargs)	First array elements raised to powers from second array, element-wise.
subtract(x1, x2[, out, where])	Subtract arguments, element-wise.
square(x[, out, where])	Return the element-wise square of the input.

Division

divide(x1, x2[, out, where])	Return true division of the inputs, element-wise.
divmod(x1, x2[, out, where])	Return element-wise quotient and remainder simultaneously.
floor_divide(x1, x2[, out, where])	Return the largest integer smaller or equal to the division of the inputs.
mod(x1, x2[, out, where])	Return element-wise remainder of numerical division.
poly_divide(x1, x2[, out, where])	Return a polynomial division of the inputs, element-wise.
poly_divmod(dividend, divisor[, out, where])	Return element-wise quotient and remainder simultaneously.
poly_remainder(x1, x2[, out, where])	Return element-wise remainder of polynomial division.
remainder(x1, x2[, out, where])	Return element-wise remainder of numerical division.
true_divide(x1, x2[, out, where])	Return true division of the inputs, element-wise.

Logic

any(a[, axis, out, keepdims])	Test whether any array element along a given axis evaluates to True.
all(a[, axis, out, keepdims])	Test whether all array elements along a given axis evaluate to True.
allclose(a, b[, rtol, atol, equal_nan])	Return True if two arrays are element-wise equal within a tolerance.
equal(x1, x2[, out, where])	Return (x1 == x2) element-wise.
greater(x1, x2[, out])	Return the truth value of (x1 > x2) element-wise.
greater_equal(x1, x2[, out])	Return the truth value of (x1 >= x2) element-wise.
isclose(a, b[, rtol, atol, equal_nan])	Return true where two arrays are element-wise equal within a tolerance.
isfinite(x[, out, where])	Test element-wise for finiteness (not infinity or not Not a Number).
less(x1, x2[, out])	Return the truth value of (x1 < x2) element-wise.
less_equal(x1, x2[, out])	Return the truth value of (x1 <= x2) element-wise.
logical_and(x1, x2[, out, where])	Compute the truth value of x1 AND x2 element-wise.
logical_or(x1, x2[, out, where])	Compute the truth value of x1 OR x2 element-wise.
not_equal(x1, x2[, out, where])	Return (x1 != x2) element-wise.

Rounding

abs(x[, out, where])	Calculate the absolute value element-wise.
absolute(x[, out, where])	Calculate the absolute value element-wise.
around(a[, decimals, out])	Evenly round to the given number of decimals.
ceil(q0[, out, where])	Return the ceiling of the input, element-wise.
floor(x[, out, where])	Return the floor of the input, element-wise.
rint(x[, out, where])	Round elements of the array to the nearest integer.
round(a[, decimals, out])	Evenly round to the given number of decimals.
round_(a[, decimals, out])	Evenly round to the given number of decimals.

Sums/Products

cumsum(a[, axis, dtype, out])	Return the cumulative sum of the elements along a given axis.
det(a)	Compute the determinant of an polynomial array.
mean(a[, axis, dtype, out])	Compute the arithmetic mean along the specified axis.
prod(a[, axis, dtype, out, keepdims])	Return the product of array elements over a given axis.
sum(a[, axis, dtype, out, keepdims])	Sum of array elements over a given axis.

Differentiation

derivative(poly, *diffvars)	Polynomial differential operator.
diff(a[, n, axis, prepend, append])	Calculate the n-th discrete difference along the given axis.
ediff1d(ary[, to_end, to_begin])	Difference between consecutive elements of an array.
gradient(poly)	Polynomial gradient operator.
hessian(poly)	Construct Hessian matrix of polynomials.

Min/Max

amax(a[, axis, out])	Return the maximum of an array or maximum along an axis.
amin(a[, axis, out])	Return the minimum of an array or minimum along an axis.
argmin(a[, axis, out])	Return the indices of the minimum values along an axis.
argmax(a[, axis, out])	Return the indices of the maximum values along an axis.
max(a[, axis, out])	Return the maximum of an array or maximum along an axis.
maximum(x1, x2[, out])	Element-wise maximum of array elements.
min(a[, axis, out])	Return the minimum of an array or minimum along an axis.
minimum(x1, x2[, out])	Element-wise minimum of array elements.

Conditionals

choose(a, choices[, out, mode])	Construct array from an index array and a set of arrays to choose from.
count_nonzero(x[, axis])	Count the number of non-zero values in the array a.
nonzero(x, **kwargs)	Return the indices of the elements that are non-zero.
where(condition, *args)	Return elements chosen from x or y depending on condition.