.4632
   -0.0876
Elapsed time is 0.812422 seconds.
ans =
    0.4632
   -0.0876
Elapsed time is 0.324822 seconds.
</pre><h2>Computing the entire inverse or pseudo-inverse<a name="17"></a></h2>
         <p>Rarely, and I mean RARELY, you really do need the inverse.  More frequently what you want is the pseudo-inverse.  You can
            force a factorization to become a plain matrix by converting it to double.  Note that inverse(A) only handles full-rank matrices
            (either dense or sparse), whereas