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

/* code_begins */
{{{
   A=matrix(QQ,[[1,2,3],[4,5,6]])
   xT=matrix(QQ,[[0,1]])
   y=matrix(QQ,[[0],[1],[0]])
   print xT * A * y
   print xT * A
   print A * y
}}}
/* code_ends */

 * '''Solution by''':  
   * sneha,student,pec
   * divya,student,pec