-------------  ]
         [           2          ]
         [                      ]
         [   2              - t ]
         [ (t  - 4 t + 2) %e    ]
         [ -------------------- ]
         [          2           ]

</pre>

<p>Ejemplo 2:
</p><pre class="example">(%i5) b1:matrix([0,0,1,1,1],
                [0,0,0,1,1],
                [0,0,0,0,1],
                [0,0,0,0,0],
                [0,0,0,0,0])$

(%i6) mat_function(exp,t*b1);
                  [              2     ]
                  [      