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Change matrix bits depending on the rate (Matlab)

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Dear members;
I have matrix of B*C dimensions.
and I have to write a program that verify if the final bits are '0' or '1'. If final bits are '0', the program change them to '1'.

Accepted Answer

Jan on 13 Mar 2021
Edited: Jan on 13 Mar 2021
[s1, s2] = size(A);
d = gcd(s1, s2);
n1 = s1 / d;
n2 = s2 / d;
vCol = n2:n2:s2;
for iCol = 1:numel(vCol)
iRow = (iCol - 1) * n1 + 1;
A(iRow:iRow + n1 - 1, vCol(iCol)) = 1;
Alternative - more Matlab'ish without loops:
sizeA = size(A);
n = sizeA ./ gcd(sizeA(1), sizeA(2));
idx = sub2ind(sizeA, 1:sizeA(1), repelem(n2:n2:s2, n1));
A(idx) = 1;
Afluo Raoual
Afluo Raoual on 13 Mar 2021
When someone help us, we appreciate its help using (Sir) to show our respect and greatful for him. But if other persons don't use this expression, it doesn't mean it's impolite. Sometimes saying "Thank you so much" is sufficent.
Jan on 15 Mar 2021
Thanks for the explanation. It is not trivial to communicate with persons from different cultural regions.

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