Evaluate first column data, set remaining columns to zero based on first column value.
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Andrew Paulsen
le 26 Avr 2017
Commenté : Andrew Paulsen
le 26 Avr 2017
I have a matrix of data, several rows, 4 columns and I want to look at the first column value and if it is above or below a certain value, set all the remaining columns in that row to zero. Sounds simple, but struggling to figure it out.
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Walter Roberson
le 26 Avr 2017
mask = YourMatrix(:,1) > TheHighCutoff | YourMatrix(:,1) < TheLowCutoff;
YourMatrix(mask,2:end) = 0;
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