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

/* code_begins */

{{{
C=matrix([[2.7,-1.8],[0,0.9],[9.0,-4.5]])# scalar multiplication of matrices
print -C
print (10/9)*C
D=matrix([[5,-8,1],[4,0,0]])#transpose
print D.transpose()
}}}

/* code_ends */

 * '''Solution by''': 
   * V.J.Ramchand, Student, GITAM University
   * G.Vamsi krishna, Student, GITAM University