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786 B
786 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 | Boolean | Complex | Unit | Array | Matrix | Function input |
Returns
| Type | Description |
|---|---|
| Number | Complex | Array | Matrix | Hyperbolic cosine of x |
Examples
var math = mathjs();
math.cosh(0.5); // returns Number 1.1276259652063807