||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
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 

}}}

/* code_ends */

 * '''Solution by''': 
   * <K.Kavitha>, <Student>, <SNIST>
   * <B.Lavanya>, <Student>, <SNIST>