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

/* code_begins */

{{{
a=matrix([[1,0,0],[0,1,0],[0,0,1]])
C=det(a)
if ( C == -1 ):
    F=det(a**2)
    print F
    D=det(0.5*a)
    print D
    G=inv(a)
    print G
    E=det(-a)
    print(E)
else :
    print "not valid"
}}}

/* 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>