building a square matrix out of a vector

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Hossein
Hossein il 8 Mar 2014
Commentato: Hossein il 8 Mar 2014
Hi everyone,
im trying to build a [n X n] matrix from a [1 n*n] vector. can anybody give me a simple code?

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Mischa Kim
Mischa Kim il 8 Mar 2014
Modificato: Mischa Kim il 8 Mar 2014
Hossein, use reshape:
A = 1:4*4;
n = sqrt(length(A)); % if A is indeed an n*n vector
B = reshape(A,n,n)

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