appendix of [<a href="doc_spams010.html#mairal9">21</a>].
</li><li class="li-itemize">an active-set algorithm for simplex decomposition problems [<a href="doc_spams010.html#ChenCVPR">37</a>].
</li></ul>
</li><li class="li-itemize">The <span class="c010">Proximal toolbox</span>: An implementation of proximal methods
(ISTA and FISTA [<a href="doc_spams010.html#beck">1</a>]) for solving a large class of sparse approximation
problems with different combinations of loss and regularizations. One of the main
fe