-1} + sign(\\nabla_{x^*_{i-1}} J(\\theta, x^*_{i-1} , y)))</span>
<span class="sd">        \\end{eqnarray}</span>
<span class="sd">        </span>
<span class="sd">    Parameters</span>
<span class="sd">    ----------</span>
<span class="sd">    labeled_dataset: torch.utils.data.Dataset</span>
<span class="sd">        The labeled training dataset</span>
<span class="sd">    unlabeled_dataset: torch.utils.data.Dataset</span>
<span class="sd">        The unlabeled pool dataset</span>
<span class="sd"