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

/* code_begins */

{{{
a=matrix([[1,2],[3,4]])
x=matrix([[5],[-2]])
b=matrix([[1],[7]])
a
x
b
a*x

}}}

/* code_ends */

 * '''Solution by''': 
  mark,student,vignan,

  srikanth,student,vignan,

  arun,student,vignan