Save FOR loop values in a matrix or a vector

2014 7 3

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更新时间：2021 8 20

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I have the following function with two FOR loops:

function Y = rot_mat(X)
n = sqrt(numel(X))
for x = 1:n
for y = 1:n
      x_rot = x+y-1
      y_rot = n-x+y
end
end

I am trying to save all the n x n values [x_rot, y_rot] in a vector or a n x n matrix. Could anyone, please, give me a hint on how to do that?

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Image Analyst 2014-7-3

编辑：Image Analyst 2014-7-3

0 个投票

Use x_rot(x,y) and y(rot(x,y).

By the way, you need to assign Y or else your function cannot be called.

Agent Cooper 2014-7-3

I'm sorry, but if I use the

xy = [x_rot(:), y_rot(:)];

after the FOR loops I get only one pair of [x_rot, y_rot] (only the 2 last values).

Ben11 2014-7-3

Maybe something like that:

xy(x,y) = [x_rot(x,y),y(rot(x,y)];

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