can anyone help me how to rotate an image using for loop

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Hi, I am new to this matlab language. This is the image and I need to rotate this image by 90 without using matlab functions.can anyone help me in this regard.
Thanks in advance
  4 Comments
Jan
Jan on 12 Oct 2014
This is a homework question. So please show us, what you have tried so far and ask a specific question.

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Accepted Answer

Matt J
Matt J on 12 Oct 2014
I can't see how you would do this without at least the size() command. You need that to determine the size of your loops.
Anyway, because this is homework, I will just give an example similar to what you are asking. Below is code to transpose a matrix purely with loops. I leave it to you to modify it as needed for a 90 degree rotation.
[m,n]=size(A);
for i=m:-1:n
for j=n:-1:1
B(j,i)=A(i,j);
end
end

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