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Get multiple matrices automatically in workspace

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Marwen Tarhouni
Marwen Tarhouni 2017-1-2
评论： Stephen23 2017-1-3
Dear,
I run an algorithm 50 times using the for loop. I want to save the results after each iteration ie I want to have in the workspace 50 matrices but I always find the last matrix (for i = 50). I apply this loop on all the algorithm. My algorithm contains Randomized values, every execution I have a matrix. I want to have 50 matrix automatically using the For loop but I find the last one in the workspace. Do you have an idea ?
for j=1:50
X = 200 * rand(1,20) - 100;
Y = 200 * rand(1,20) - 100;
for i=1:20
dist = sqrt((X(i)-X(:)).^2+(Y(i)-Y(:)).^2);
distance=[distance dist ];
end
end
Thnaks
  2 个评论
John D'Errico
John D'Errico 2017-1-2
编辑：John D'Errico 2017-1-2
DON'T make 50 separate matrices.
You need to learn about arrays, and multi-dimensional arrays. Learn to use arrays. That is what makes MATLAB a useful tool.

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Niels
Niels 2017-1-2
编辑：Niels 2017-1-2
try this
for j=1:50
X = 200 * rand(1,20) - 100;
Y = 200 * rand(1,20) - 100;
for i=1:20
dist = sqrt((X(i)-X(:)).^2+(Y(i)-Y(:)).^2);
end
matrices{j}=dist;
end
with
matrices{n}
you should be able to get the matrix of the n. loop

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