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

/* code_begins */

{{{

k=var('k')
a=matrix([[k,2,3],[k,k,4],[k,k,k]])
print a
a.det()
solve(a.det(),k)
a=matrix([[4,2,3],[4,4,4],[4,4,4]])
print a
a.pivots()
a=matrix([[2,2,3],[2,2,4],[2,2,2]])
print a
a.pivots()
a=matrix([[0,2,3],[0,0,4],[0,0,0]])
print a
a.pivots()
}}}

/* code_ends */

 * '''Solution by''': 
   * <tejaswi>, <student>, <prakasam>
   * <Your Name>, <Profession>, <Organization>