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

/* code_begins */

{{{
A=array([[1,2],[2,3]])
print(A)
D=array([[2,0],[0,5]])
print(D)
X=dot(A,D)
print(X)
Y=dot(D,A)
print(Y)
print X[:1]
print Y[0,:]
print Y[1,:]

}}}

/* code_ends */

 * '''Solution by''': 
   
   * <Y.Sivakumar reddy>, <student>, <prakasam engg. coll.>
   * <B.Raghavendra>, <student>, <prakasam engg. coll.>
   * <T.raghavendra>, <student>, <prakasam engg. coll.>
   * <N.S.V.Sai krishna>, <student>, <prakasam engg. coll.>
   * <J.Lakshminarayana>, <student>, <prakasam engg. coll.>
   * <M.Pavan kumar>, <student>, <prakasam engg. coll.>