standarize(a)
Transform array a such that the new mean is zero and the variance is unity.
standarize(A)
Transform each column of matrix A such that each column has a zero mean and unitary variance.
Example
a = ( 1, 2, 3, 4, -1, 2, 3, 7 );
standarize( a )
-0.6986 -0.2687 0.1612 0.5911 -1.5584 -0.2687 0.1612 1.8808