lass="n">A</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">tol</span><span class="o">=</span><span class="mf">1E-4</span><span class="p">,</span> <span class="n">nnz</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">positive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">lam</span><span class="o">=</span><span class="mi">1</span><span class="p">):</span>
     