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

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

Examples

cosh(0.5);       // returns number 1.1276259652063807

See also

sinh, tanh