Y = frobnorm_col(X) (Matrix|Array) Y; (Matrix|Array) X;
>> Y = frobnorm_col([[1 2 3][4 5 6]])
=== [Y] : ( 1, 3) ===
( 1) ( 2) ( 3)
( 1) 4.12310563E+00 5.38516481E+00 6.70820393E+00
>> Y = frobnorm_col([1 2 3])
=== [Y] : ( 1, 1) ===
( 1)
( 1) 3.74165739E+00