How to decompose and expand a vector into ones
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Adam Danz on 8 Aug 2019
Edited: Adam Danz on 8 Aug 2019
" I = [2, 2]' How can I multiply that by 12 and get a 1x48 vector filled by ones ?"
My interpretation: you want to multiply (or add?) the elements in I and then you want to multiply that result by 12 to get 48. Then create a row vector of 1s with length 48. Is that right?
I = [2, 2]';
x = ones(1,prod(I)*12); % prod() or sum() as in madhan's ans
the key is to use ones().