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kash
kash 2012-4-10
I want to form an matrix,please help how to process
1)Set each entry of the matrix to an i.i.d. N(0; 1) value.
2)Orthogonalize the d rows of the matrix using the Gram-Schmidt algorithm
3)Normalize the rows of the matrix to unit length (i.e., important for preserving similarities in the lowdimensional space).

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Wayne King
Wayne King 2012-4-10
Can't you do:
A = randn(10,10);
Q = orth(A');
or even
Q = qr(A');
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kash
kash 2012-4-10
Thanks wayne for the final step for ,normalising the rows
m=normr(Q) is correct

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