ral notranslate"><span class="pre">save_data()</span></code></a></li>
<li><a class="reference internal" href="#pySurf.data2D.slope_2D"><code class="docutils literal notranslate"><span class="pre">slope_2D()</span></code></a></li>
<li><a class="reference internal" href="#pySurf.data2D.subtract_data"><code class="docutils literal notranslate"><span class="pre">subtract_data()</span></code></a></li>
<li><a class="reference internal" href="#pySurf.data2D.sum_data"><code class="docutils literal notranslate"><spa