Sample standard deviation (d.f. corrected) of each column of a matrix.
Syntax: @cstdev(m)
m: matrix
Return: vector
Returns the column sample standard deviation.
Examples
= @cstdev(mat)
returns a (column) vector whose i-th element is the sample standard deviation of the i-th column of MAT.
Cross-references
See also
@cmean and
@cstdevs.