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

/* code_begins */

{{{
A = matrix([[2.7,-1.8],[0,0.9],[9.0,-4.5]]);
print -A;
print (10/9)*A;
print 0*A;
}}}

/* code_ends */

 * '''Solution by''': 
   * Vishnu, Student, IIIT-H