A=matrix([[2,-1,0],[-1,2,-1],[0,-1,2]])
B=matrix([[1,1,1],[1,2,2],[1,2,3]])
Adet=A.det()
Bdet=B.det()
Acofr=A.adjoint()
Bcofr=B.adjoint()
Ainv=Acofr/Adet
Binv=Bcofr/Bdet
print "Inverse matrix of A: \n \n",Ainv 

print "\n Inverse matrix of B: \n \n",Ainv 

Kreyszig-4.4.5-U (last edited 2010-12-18 06:10:54 by B lavanya)