ms010.html#friedman">10</a>, <a href="doc_spams010.html#wu">36</a>];
</li><li class="li-itemize">a greedy solver for simultaneous signal approximation as defined in [<a href="doc_spams010.html#tropp2">34</a>, <a href="doc_spams010.html#tropp3">33</a>] (SOMP);
</li><li class="li-itemize">a solver for simulatneous signal approximation with ℓ<sub>1</sub>/ℓ<sub>2</sub>-regularization based on block-coordinate descent;
</li><li class="li-itemize">a homotopy method for the Fused-Lasso Signal Approximation as