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

/* code_begins */

{{{
a=matrix([[-0.5,0,0],[0,4,0],[0,0,1]])
print a
b=inv(a)
print b

}}}

/* code_ends */

 * '''Solution by''': 
   *<N.V.S Saikrishna>, <student>, <Prakasam engineering College>
   *<M.Pavan kumar>, <student>, <Prakasam engineering College>
   *<T.Raghavendra>, <student>, <Prakasam engineering College>
   *<B.Raghavendra>, <student>, <Prakasam engineering College>
   *<Y.Siva kumar Reddy>, <student>, <Prakasam engineering College>
   *<J.lakshmi narayana>, <student>, <Prakasam engineering College>