he size and inverts
independently for the even and odd functions.</p>
<p>This is work in progress and not used.</p>
<dl class="simple">
<dt>Modified from F90 library:</dt><dd><p>German Prieto
December 2020</p>
</dd>
</dl>
<p>The tapers are the eigenvectors of the tridiagonal matrix sigma(i,j)
[see Slepian(1978) eq 14 and 25.] They are also the eigenvectors of
the Toeplitz matrix eq. 18. We solve the tridiagonal system in</p>
<p>scipy.linalg.eigh_tridiagonal</p>
<p>(real symmetric tridiagonal solver) for the