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

/* code_begins */

{{{
a=matrix([[1,1,1],[1,2,2],[1,2,3]])
l= a.echelon_form()
print (l[0,0]*l[1,1]*l[2,2])
b=matrix([[1,2,3],[2,2,3],[3,3,3]])
q=b.echelon_form()
print (q[0,0]*q[1,1]*q[2,2])
}}}

/* code_ends */

   * Swethakumari G, student,SNIST
   * Radha Bhukya, student, SNIST
   * Usha Rani,student, SNIST