www.gusucode.com > elfun工具箱matlab源码程序 > elfun/abs.m
%ABS Absolute value. % ABS(X) is the absolute value of the elements of X. When % X is complex, ABS(X) is the complex modulus (magnitude) of % the elements of X. % % See also SIGN, ANGLE, UNWRAP, HYPOT. % Copyright 1984-2005 The MathWorks, Inc. % Built-in function.