How to circ shift rows by different increments
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hbcukid
el 22 de Feb. de 2021
Comentada: hbcukid
el 24 de Feb. de 2021
I have a 100x100 matrix and I am trying to figure how to shift them in different increments. For example I want row 1 to shift by none, row 2 by 10, row 3 by 20, row 4 by 30, and row 5 by 40 and for it to repeat this process every 5 rows. How can I achieve this?
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Jan
el 22 de Feb. de 2021
Editada: Jan
el 22 de Feb. de 2021
What does "shift" mean? Circular shifting the elements? Adding a value to the contents of the elements?
A = rand(100, 100);
s = [0, 10, 20, 30, 40];
% For circular shifting the elements:
for k = 1:100
sk = s(mod(k - 1, 5)) + 1; % 1:100 -> 1,2,3,4,5,1,2,3,4,5,...
A(k, :) = circshift(A(k, :), sk);
end
% Or if "shift" means adding to the values is meant:
A = A + repmat(s(:), 20, 1);
Did this solve your homework? If so: Sorry. Please mention explicitly, if a question conserns homework, such that we can give useful hinbts instead of a solution.
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