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how can i make a storage in simulation for matrix ?

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arkedia
arkedia 2013-2-14
i'm creating a simulation and the following is part of the code
for i=1:k
samples=ssvs(e,y,q,m,k)
z(i,:)=samples
end.......
note: e ,y ,q are variables and ssvs function will give a matrix of order m rows and q columnes i want z to store the results same as horzcat i mean i want z save first result then second then the next tell the simulation ends z order will be m*k rows and q columnes

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Azzi Abdelmalek
Azzi Abdelmalek 2013-2-14
编辑：Azzi Abdelmalek 2013-2-14
z=[];
for i=1:k
samples=ssvs(e,y,q,m,k);
z=[z samples ];
end
  1 个评论
José-Luis
José-Luis 2013-2-14
That might be painfully slow if you don't preallocate. Hard to do that if you do not know the size of samples in advance or if that size is not constant.

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José-Luis
José-Luis 2013-2-14
编辑：José-Luis 2013-2-14
You should probably use a cell array:
my_result = cell(1,k);
for ii = 1:k
my_result{i} = ssvs(e,y,q,m,k);
end
And if you want a matrix, and dimensions allow:
your_mat = cell2mat(my_result);

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