||'''Book'''|| Getting started with MATLAB ||
 ||'''Author'''|| Rudra Pratap ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
A = matrix(QQ, [[5, -3, 2], [-3, 8, 4], [2, 4, -9]])
b = vector(QQ, [10, 20, 9])
A\b
}}}

/* code_ends */

 * '''Solution by''': 
   * Sonam Kumar, Student, CMI