How to replace some elements of matrix with zero

Hello,I have a matrix of data with size 1*256 called hh2. I found local peaks using [pks loc]=findpeaks(hh2);Now in my matrix I want to put zero instead of all elements except local peaks that I found.can any one help me plz?

[pks,loc] = findpeaks(hh2);

Answer 1

[the cyclist]

notPeakLoc = setxor(loc,1:256);
hh2(notPeakLoc) = 0;

[Fateme Jalali]

thank you so much

[Image Analyst]

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