use Math::MatrixReal;

# my matrix is below as input 
my $mref = [
  [ '5', '4', '4', '2', '4' ],

];

my $matrix = Math::MatrixReal->new_from_rows( $mref );

print $matrix;

# I want to convert above into below ( 5 Rows x 1 Column)
# As I need this for later on to use for further multiplication purpose 
[
	[ '5'],
	[ '4' ],
	[ '4'],
	[ '2'],
	[ '4'],
];