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

/* code_begins */

{{{
A = matrix([[1, 2, 3], [0, 4, 5], [0, 0, 6]])
A.eigenvalues()

B = matrix([[0, 0, 1], [0, 2, 0], [3, 0, 0]])
B.eigenvalues()

C = matrix([[2, 2, 2]])
C.eigenvalues()
}}}

/* code_ends */

 * '''Solution by''': 
   * Sonam Kumar, Student, Chennai Mathematical Institute