I have a array of 61 number, i want to take mean of 1st and 17th number, then 2nd and 18th number and then want to put this mean values in a array?

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Subhodh Sharma
Subhodh Sharma 2021-7-29
评论： Subhodh Sharma 2021-7-29
I don't want to use loop here.

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KSSV
KSSV 2021-7-29
A = rand(1,61) ;
idx = [(1:46)' (16:61)'] ; % get indices
iwant = mean(A(idx),2)
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KSSV
KSSV 2021-7-29
A = rand(180,270,61) ;
idx = [(1:46)' (16:61)'] ;
B = zeros(180,270,46,2) ;
B(:,:,:,1) = A(:,:,idx(:,1)) ;
B(:,:,:,2) = A(:,:,idx(:,2)) ;
Check and then use....confirm the result with a loop.

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