% vectorize_logical.m
% 邏輯數(shù)組的向量化，求大于500
% 1.不預(yù)設(shè)數(shù)組比較程序的執(zhí)行時(shí)間
max=10000;
disp('方法一：不預(yù)設(shè)數(shù)組比較執(zhí)行時(shí)間')
tic;
for i=1:10
    clear sqr;
    for j=1:max
        sqr=sqrt(j);
    end
end
toc;
max=10000;
disp('方法二：通過(guò)數(shù)組比較執(zhí)行時(shí)間')
tic;
for i=1:10
    clear sqr;
    for j=1:max
        sqr=sqrt(j);
    end
end
toc;