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

/* code_begins */

{{{
A=([2,3],[10,9])
l=A[1][0]/A[0][0]
print 'coefficient = ',l
B=([A[0][0]*l,A[0][1]*l],[10-A[0][0]*l,9-A[0][1]*l])
print 'Upper triangular system : ' , B
print 'The pivots are : ' , B[0][0] , 'and' , B[1][1]
}}}

/* code_ends */

 * '''Solution by''': 
   * SHUBHAM MITTAL, STUDENT, IIT ROORKEE
   * AMIT TEWARI, STUDENT, IIT ROORKEE
   * RACHIT JHA, STUDENT, IIT ROORKEE
   * ARNAB BASU, STUDENT, IIT ROORKEE