# insert code here




from numpy import random
from numpy import matrix

beta = matrix( '2.' )
A = matrix( random.rand( 5,4 ) )

print( 'beta = ' )
print( beta )

print( 'A before =' )
print( A )

Scale_a_matrix_unb_var1( beta, A )

print( 'A after =' )
print( A )

# insert code here




from numpy import random
from numpy import matrix

beta = matrix( '2' );
A = matrix( random.rand( 5,4 ) )

print( 'A before =' )
print( A )

Scale_a_matrix_unb_var2( beta, A )
print( 'A after =' )
print( A )