# Optimization Solvers (Tao)

The Toolkit for Advance Optimization `Tao`, provides a large suite of optimization solvers for unconstrained and constrained problems. Users guide chapter: [](ch_tao).
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Directories
<p><a href="interface/index.html">interface</a><br>
<a href="python/index.html">python</a><br>
<a href="leastsquares/index.html">leastsquares</a><br>
<a href="bound/index.html">bound</a><br>
<a href="linesearch/index.html">linesearch</a><br>
<a href="snes/index.html">snes</a><br>
<a href="shell/index.html">shell</a><br>
<a href="matrix/index.html">matrix</a><br>
<a href="f90-mod/index.html">f90-mod</a><br>
<a href="complementarity/index.html">complementarity</a><br>
<a href="unconstrained/index.html">unconstrained</a><br>
<a href="constrained/index.html">constrained</a><br>
<a href="util/index.html">util</a><br>
<a href="tutorials/index.html">tutorials</a><br>
<a href="quadratic/index.html">quadratic</a><br>
<a href="pde_constrained/index.html">pde_constrained</a><br>