Change matrix bits depending on the rate (Matlab)

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'.

Answer 1

[Jan]

[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;
end

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]

It works very well. Thank you so much sir

[Jan]

You are welcome.

A question: We do not use the expression "sir" in Europe. I assume this term shows respect. Does it sound impolite in your ears, if I or other members of this forum do not use this word?

[Afluo Raoual]

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]

Thanks for the explanation. It is not trivial to communicate with persons from different cultural regions.