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

/* code_begins */

{{{
A = Matrix([3,0,4])
B = Matrix([-1,8,2])
C = Matrix([[9],[5],[7]])
D = Matrix([[2],[-2],[6]])

print "(i) 6A-5A"
print 
print 6*A-5*A
print 
print "(ii) (A^T)^T-A"
print transpose(transpose(A))-A
print
print "(iii) (A^T)-A"
print
#print transpose(A)-A
print "not possible,different dimensions"
}}}

/* code_ends */

 * '''Solution by''': 
   * <Sunny Mehrotra>, <Student>, <IIT Roorkee>
   * <Sharat S.I>, <Student>, <IIT Roorkee>