How to convert a column back into matrix?
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Guillaume am 23 Mär. 2016
If you don't know what the original size of the matrix was, then you of course can't since matlab does not keep the information.
If you do, use reshape:
A = randi([1 20], 10, 20, 30);
B = A(:);
AA = reshape(B, 10, 20, 30);
isequal(A, AA) %will return true
Note that A(:) is equivalent to
reshape(A, , 1)