808 B
808 B
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 |
Throws
| Type | Description |
|---|
Examples
math.asech(0.5) // returns 1.3169578969248166