ss="n">m</span> <span class="o">+</span> <span class="n">grad</span>

      <span class="n">optimal_perturbation</span> <span class="o">=</span> <span class="n">optimize_linear</span><span class="p">(</span><span class="n">m</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">eps_iter</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">ord</span><span class="p">)</span>
      <span class="k">if</span> <span class="