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cosh

Hyperbolic cosine

Syntax

Y = cosh(X)

Description

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

Y = cosh(X) returns the hyperbolic cosine for each element of X.

Examples

collapse all

Graph of Hyperbolic Cosine

Graph the hyperbolic cosine function over the domain $-5 \le x \le 5.$

x = -5:0.01:5;
plot(x,cosh(x)), grid on

Hyperbolic Cosine

The hyperbolic cosine of z is

cosh(z)=ez+ez2.

See Also

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Introduced before R2006a

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