code for pseudo random index generator
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in our project we have pseudo random index generator for generating set of keys with which we select some of the keys and encrypt the image.sir ,please can you provide the basic idea for us how to write the code for it?
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Jos (10584)
2014-1-23
You provide little information, but this might help:
AllKeys = [10 13 22 -9 0 12345]
N = 3 ; % randomly select N of these keys
IDX = randperm(numel(AllKeys), N)
KeysSelected = AllKeys(IDX)
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