833 B
833 B
Function cosh
Calculate the hyperbolic cosine of a value,
defined as cosh(x) = 1/2 * (exp(x) + exp(-x)).
For matrices, the function is evaluated element wise.
Syntax
math.cosh(x)
Parameters
| Parameter | Type | Description |
|---|---|---|
x |
number | BigNumber | Complex | Unit | Array | Matrix | Function input |
Returns
| Type | Description |
|---|---|
| number | BigNumber | Complex | Array | Matrix | Hyperbolic cosine of x |
Throws
| Type | Description |
|---|
Examples
math.cosh(0.5) // returns number 1.1276259652063807