How can I save .mat files inside a for loop without overlapping?

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VB 2017-5-22

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评论： KSSV 2017-5-22

Hello everyone, I would like to know how can I save several .at files inside a loop without overlapping them. I am trying to save different matrix in every iteration. Thanks for your help!

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Answer 1

KSSV 2017-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/341319-how-can-i-save-mat-files-inside-a-for-loop-without-overlapping#answer_267906

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Why you want to generate multiple .mat files? Check the below two case. You can write all the matrices into a single mat file.

%%If matrices sizes are equal 
m = 10 ; n = 9 ; p = 10 ;
A = zeros(m,n,p) ;
for i = 1:p
    A(:,:,i) = rand(m,n);
end
 save('test.mat','A');
   %%if mat4rices sizes are not equal 
   A = cell(p,1) ;
   for i = 1:p
       m = randi([1 10],1) ;
       n = randi([1 10],1) ;
       A{i} = rand(m,n) ;
   end
    save('test.mat','A');

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KSSV 2017-5-22

Vio Bas Commented:

Thank you very much for your question, that was very helpful. It was exactly what I was looking for! Much more efficient than having a huge amount of .mat files. :D

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