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

/* code_begins */

{{{

a=matrix([[1,-1],[3,6]])
print a
b=vector([0,18])
x=a.solve_right(b)
print x
var ('x,y')
p1=implicit_plot(x-y==0,(x,-2,2),(y,-2,2))
show(p1)
}}}

/* code_ends */

 * '''Solution by''': 
   * Tejaswi,jyothi:prakasam