www.gusucode.com > elfun工具箱matlab源码程序 > elfun/asech.m
%ASECH Inverse hyperbolic secant. % ASECH(X) is the inverse hyperbolic secant of the elements of X. % % Class support for input X: % float: double, single % % See also SECH. % Copyright 1984-2010 The MathWorks, Inc. % Built-in function.