www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/ZeroAndNonzeroElementsInMatrixExample.m
%% Zero and Nonzero Elements in Matrix % Find the nonzero elements in a 3-by-3 matrix. % Copyright 2015 The MathWorks, Inc. X = [1 0 2; 0 1 1; 0 0 4] %% % k = find(X) %% % Use the logical |not| operator on |X| to locate the zeros. k2 = find(~X)