parall.m

A Programme About Paralell Compulation>Maybe can help you Thanks

% see how good of vector operation
% Matlab 中对矩阵和向量的计算是并行实现的，这里你看到差别了吗？
    clear;    tic;
    for i=1:10000
      b(i)=sqrt(i);
    end
    t=toc;
    disp(['Time for loop method:',num2str(t)])
    clear;    tic;
    a=1:1:50000;
    b=sqrt(a);
    t=toc;
    disp(['Time for vector method:',num2str(t)])