|MATLAB Function Reference|
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
Graph the hyperbolic cosine function over the domain .
The hyperbolic cosine can be defined as
cosh uses FDLIBM, which was developed at SunSoft, a Sun Microsystems, Inc. business, by Kwok C. Ng, and others. For information about FDLIBM, see http://www.netlib.org.