|MATLAB Function Reference|
Y = asec(X)
returns the inverse secant (arcsecant) for each element of
asec function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.
Graph the inverse secant over the domains and .
The inverse secant can be defined as
asec 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.