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<div class="section" id="torch-flip">
<h1>torch.flip<a class="headerlink" href="#torch-flip" title="Permalink to this headline">¶</a></h1>
<dl class="function">
<dt id="torch.flip">
<code class="sig-prename descclassname">torch.</code><code class="sig-name descname">flip</code><span class="sig-paren">(</span><em class="sig-param">input</em>, <em class="sig-param">dims</em><span class="sig-paren">)</span> → Tensor<a class="headerlink" href="#torch.flip" title="Permalink to this definition">¶</a></dt>
<dd><p>Reverse the order of a n-D tensor along given axis in dims.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>input</strong> (<a class="reference internal" href="../tensors.html#torch.Tensor" title="torch.Tensor"><em>Tensor</em></a>) – the input tensor.</p></li>
<li><p><strong>dims</strong> (<em>a list</em><em> or </em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#tuple" title="(in Python v3.8)"><em>tuple</em></a>) – axis to flip on</p></li>
</ul>
</dd>
</dl>
<p>Example:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">x</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">8</span><span class="p">)</span><span class="o">.</span><span class="n">view</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">x</span>
<span class="go">tensor([[[ 0, 1],</span>
<span class="go"> [ 2, 3]],</span>
<span class="go"> [[ 4, 5],</span>
<span class="go"> [ 6, 7]]])</span>
<span class="gp">>>> </span><span class="n">torch</span><span class="o">.</span><span class="n">flip</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">])</span>
<span class="go">tensor([[[ 6, 7],</span>
<span class="go"> [ 4, 5]],</span>
<span class="go"> [[ 2, 3],</span>
<span class="go"> [ 0, 1]]])</span>
</pre></div>
</div>
</dd></dl>
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