www.gusucode.com > matlab从零到进阶程序与数据 > matlab从零到进阶程序与数据/第4章 MATLAB程序设计/example1000000fast1.m
function example1000000fast1 clear A = unidrnd(100,1000000,7);%这里先假设A是一个随机矩阵 B = repmat([4,6,8],1000000,1); tic;C = [any(ismember(A,4),2) any(ismember(A,6),2) any(ismember(A,8),2)]; B(C) = 0; toc