A1=matrix([[1,2,0,3],[0,2,2,2],[0,0,0,0],[0,0,0,4]])
b=([[1],[1],[1]])
c=([1,4])
A2=b*c
A1.basis()
A2.basis()

*VVL Amruthavalli,student,prakasam Engg college *G.Haritha,student,prakasam Engg college *G.Mamatha,student,prakasam Engg college