www.gusucode.com > elfun工具箱matlab源码程序 > elfun/acos.m
%ACOS Inverse cosine, result in radians. % ACOS(X) is the arccosine of the elements of X. Complex % results are obtained if ABS(x) > 1.0 for some element. % % See also COS, ACOSD. % Copyright 1984-2005 The MathWorks, Inc. % Built-in function.