Generate a matrix from linearly spaced vector

2017 5 8
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Hello,
I have the following line of code which generates a linearly spaced vector. How do I change it to a matrix of size m-by-n so that I can perform cov(log_sigma)? (covariance of noise matrix)
log_sigma=linspace(-2,2,30);
Thanks

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KSSV
KSSV 2017-5-8

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doc reshape
N = 30 ;
log_sigma=linspace(-2,2,N);
m = 5 ; n = 6 ;
if m*n ~=N
disp('you cannot reshape')
break
else
iwant = reshape(log_sigma,m,n)
end

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