converting a cell array to a matrix

2014 11 26

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consider the following example

a={rand(1877958,7); rand(1251972,7)};

i want this to be converted to a matrix. i know that the rows are not the same but the remaining rows can be filled with zeros. how can i do that?

thanks

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Azzi Abdelmalek 2014-11-26

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a={rand(1877958,7); rand(1251972,7)};
n=max(cellfun(@(x) size(x,1),a));
b=cell2mat(cellfun(@(x) [x ;zeros(n-size(x,1),7)],a,'un',0))

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