e -1 com exponencia&ccedil;&atilde;o n&atilde;o comutativa &eacute; a matriz inversa,
se existir.
</li></ul>
<pre class="example">(%i14) x ^^ -1;
                         [ 11      3  ]
                         [ ---  - --- ]
                         [ 211    211 ]
(%o14)                   [            ]
                         [  8    17   ]
                         [ ---   ---  ]
                         [ 211   211  ]
(%i15) x . (x ^^ -1);
                            [ 1  0 ]
(%o15)                     