Accelerating the pace of engineering and science

# sech

Hyperbolic secant

Y = sech(X)

## Description

The sech function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.

Y = sech(X) returns an array the same size as X containing the hyperbolic secant of the elements of X.

## Examples

expand all

### Graph of Hyperbolic Secant Function

Graph the hyperbolic secant over the domain .

x = -2*pi:0.01:2*pi;
plot(x,sech(x)), grid on


$\text{sech}\left(z\right)=\frac{1}{\mathrm{cosh}\left(z\right)}.$