How to extract odd numbered elements.
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Generate a population of 10000 normally distributed elements with mean 2 and dispersion 3. Generate 1000 indexes at random from which only the odd ones are chosen to create a data sample.
Any idea or solution is helpful. My main issue is that I do not know how to extract only the odd numbered elements.
回答（1 个）
A = 1:10 ;
% Pick only odd elements
idx = mod(A,2)~=0 ;
A(idx)
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2023-5-22
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