n><span class="mi">0</span><span class="p">)</span>
            <span class="n">num_target_gradient_summed_vectors</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">unlabeled_dataset</span><span class="p">)</span>
            
        <span class="c1"># Needed for solvers</span>
        <span class="n">transposed_hypothesized_gradients</span> <span class="o">=</span> <span class="n">torch</span><span class="