Acot

Acot(x)

x is scalar

Return a scalar which is the inverse cotangent function of x, where result is in radian unit

x is matrix

Return a matrix in which the element is the inverse cotangent function of the element in x, where result is in radian unit

Input

Output

acot(1)

acot(1+i)

acot([1+i, 1, 1-i])

acot([1, 1-3i; -2i, 5])