Quaternion Function Reference

cosh

Hyperbolic cosine
(Quaternion overloading of standard MATLAB® function)

Syntax

Y = cosh(X)

Description

cosh(X) computes the hyperbolic cosine of the quaternion argument X which may be a complexified quaternion.

Examples

>> cosh(1 + qi)

ans = 0.8337 + 0.9889 * I + 0 * J + 0 * K

See Also

QTFM function: sinh
MATLAB® function: cosh

© 2008-2013 Stephen J. Sangwine and Nicolas Le Bihan

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