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

/* code_begins */

{{{
A=matrix(QQ,([1,2,0,3],[0,0,0,0],[2,4,0,1]))
print A
print A.rank()
print nullity()
A.derminant
}}}

/* code_ends */

 * ''2
''': 
   * <Your Name>, <Profession>, <Organization>
   * <Your Name>, <Profession>, <Organization>