Y = mean_col(X) (Matrix|Array|Index) Y; (Matrix|Array|Index) X;
>> Y = mean_col([[1 2][3 4]]) === [Y] : ( 1, 2) === ( 1) ( 2) ( 1) 2.00000000E+00 3.00000000E+00 >> Y = mean_col([1 3]) === [Y] : ( 1, 1) === ( 1) ( 1) 2.00000000E+00