mathjs/docs/reference/functions/asech.md

Function asech

Calculate the hyperbolic arcsecant of a value, defined as asech(x) = acosh(1/x) = ln(sqrt(1/x^2 - 1) + 1/x).

For matrices, the function is evaluated element wise.

Syntax

math.asech(x)

Parameters

Parameter	Type	Description
x	number | Complex | Array | Matrix	Function input

Returns

Type	Description
number | Complex | Array | Matrix	Hyperbolic arcsecant of x

Examples

math.asech(0.5);       // returns 1.3169578969248166

See also

acsch, acoth