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;
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