Matlab用于减少循环计数器的循环 [英] Matlab for loop with decreasing loop counter

问题描述

此功能不起作用，我可以弄清楚为什么，您能帮我吗?

this for is not working and I can figure out why, can you help me?

for l = (300:1:-1)
    gauss = fspecial('gaussian',[1 round(1+0.15*l)], 0.015*l);
    filter_g(l,:,1) = filter2(gauss, img_d(l,:,1));
    filter_g(l,:,2) = filter2(gauss, img_d(l,:,2));
    filter_g(l,:,3) = filter2(gauss, img_d(l,:,3));

end

推荐答案

向量(300:1:-1)的值为空.

向量是start:step:end.因此，您想要300:-1:1

Vectors are start:step:end. Thus, you want 300:-1:1

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