cosh

Hyperbolic cosine.

Syntax

Y = cosh(X)

Description

Returns (exp(X) + exp(-X)) / 2 element-wise.

Example

cosh(0)                    % 1

See also

• cos — Cosine (radians).
• sinh — Hyperbolic sine.
• tanh — Hyperbolic tangent.
• acosh — Inverse hyperbolic cosine.