||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
a=matrix([[1,2,2,4,6],[1,2,3,6,9],[0,0,1,2,3]])
a.echelon_form()
b=matrix([[2,4,2],[0,4,4],[0,8,8]])
b.echelon_form()

}}}

/* code_ends */

 * '''Solution by''': 
  markandeya,student,vignan
  arun,student,vignan
  rajender,student,vignan
   bhavani,faculty,vignan