how to do half-wave rectification for an array?

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Daniel Niu
Daniel Niu 2022-11-5
回答： Image Analyst 2022-11-5
Dear friends,
how to do half-wave rectification for an array? that is, how to replace all the negative value of an array with zeros?
Thank you!

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Image Analyst
Image Analyst 2022-11-5
Try this for your array A
mask = A < 0; % Map of where all the negative numbers are
A(mask) = 0; % Set all the negative numbers to 0.

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