3.5.1.2.22 Csch

Csch-func

Description

The cosh(x) function returns hyperbolic cosecant of x.

Syntax

double csch(double x)

Parameter

x

can be any non-zero real number. For zero and absolute values greater than 710 the function returns missing value.

Return

The function returns the hyperbolic cosecant of x. For zero and absolute values greater than 710 the function returns missing value.

Example

csch(-10)=; //should return -9.0799859712122E-5

See Also

sinh, cosh, tanh, coth, sech,