www.gusucode.com > elfun工具箱matlab源码程序 > elfun/sqrt.m
%SQRT Square root. % SQRT(X) is the square root of the elements of X. Complex % results are produced if X is not positive. % % See also SQRTM, REALSQRT, HYPOT. % Copyright 1984-2005 The MathWorks, Inc. % Built-in function.