Acsch

Acsch(x)

x is scalar

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

x is matrix

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

Input

Output

acsch(1)

acsch(1+i)

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

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