Acoth

Acoth(x)

x is scalar

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

x is matrix

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

Input

Output

acoth(2)

acoth(1+i)

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

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