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
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
asech(0.5); // returns 1.3169578969248166