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

/* code_begins */

{{{
l=matrix([[1,0,0],[1,2,1],[0,1,2]]);
print l

a=l.inverse()
print a

b=matrix([[4],[5],[6]])
print b

c=a*b
print c

u=matrix([[1,1,1],[0,1,1],[0,0,1]])
print u

e=u.inverse()
print e

x=e*c
print x
}}}

/* code_ends */

 * '''Solution by''': 
   * Venkateswara rao,student,Vignan Institute of technology and science
   * Ravi chandra,student,Vignan Institute of technology and science