building a square matrix out of a vector

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Hossein
Hossein 2014-3-8
评论： Hossein 2014-3-8
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 2014-3-8
编辑：Mischa Kim 2014-3-8
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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