Vectorise or make this code run faster

How would I make this code run faster:
for i=1:nRows
for j=1:nCols
Z=I(i,j,1)-I(i,j,2)-I(i,j,3);
end
end
Thank you

回答(1 个)

This is really basic matlab
Z = I(:, :, 1) - I(:, :, 2) - I(:, :, 3);

类别

帮助中心File Exchange 中查找有关 Loops and Conditional Statements 的更多信息

产品

版本

R2017b

提问:

2018-11-17

回答:

2018-11-17

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