how to do half-wave rectification for an array?

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Daniel Niu 2022-11-5

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回答： Image Analyst 2022-11-5

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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 2022-11-5

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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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