Csch

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Csch


Hyperbolic cosecant function



Syntax


Csch(x)

x is scalar

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


x is matrix

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


Example


Input

Output

csch(PI/2)

csch(1+i)

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

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


See Also


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