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<div class="section" id="torch-logical-and">
<h1>torch.logical_and<a class="headerlink" href="#torch-logical-and" title="Permalink to this headline">¶</a></h1>
<dl class="function">
<dt id="torch.logical_and">
<code class="sig-prename descclassname">torch.</code><code class="sig-name descname">logical_and</code><span class="sig-paren">(</span><em class="sig-param">input</em>, <em class="sig-param">other</em>, <em class="sig-param">*</em>, <em class="sig-param">out=None</em><span class="sig-paren">)</span> → Tensor<a class="headerlink" href="#torch.logical_and" title="Permalink to this definition">¶</a></dt>
<dd><p>Computes the element-wise logical AND of the given input tensors. Zeros are treated as <code class="docutils literal notranslate"><span class="pre">False</span></code> and nonzeros are
treated as <code class="docutils literal notranslate"><span class="pre">True</span></code>.</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>other</strong> (<a class="reference internal" href="../tensors.html#torch.Tensor" title="torch.Tensor"><em>Tensor</em></a>) – the tensor to compute AND with</p></li>
</ul>
</dd>
<dt class="field-even">Keyword Arguments</dt>
<dd class="field-even"><p><strong>out</strong> (<a class="reference internal" href="../tensors.html#torch.Tensor" title="torch.Tensor"><em>Tensor</em></a><em>, </em><em>optional</em>) – the output tensor.</p>
</dd>
</dl>
<p>Example:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">torch</span><span class="o">.</span><span class="n">logical_and</span><span class="p">(</span><span class="n">torch</span><span class="o">.</span><span class="n">tensor</span><span class="p">([</span><span class="kc">True</span><span class="p">,</span> <span class="kc">False</span><span class="p">,</span> <span class="kc">True</span><span class="p">]),</span> <span class="n">torch</span><span class="o">.</span><span class="n">tensor</span><span class="p">([</span><span class="kc">True</span><span class="p">,</span> <span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">]))</span>
<span class="go">tensor([ True, False, False])</span>
<span class="gp">>>> </span><span class="n">a</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">tensor</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="mi">10</span><span class="p">,</span> <span class="mi">0</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">torch</span><span class="o">.</span><span class="n">int8</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">b</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">tensor</span><span class="p">([</span><span class="mi">4</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="mi">0</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">torch</span><span class="o">.</span><span class="n">int8</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">torch</span><span class="o">.</span><span class="n">logical_and</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span>
<span class="go">tensor([False, False, True, False])</span>
<span class="gp">>>> </span><span class="n">torch</span><span class="o">.</span><span class="n">logical_and</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">double</span><span class="p">(),</span> <span class="n">b</span><span class="o">.</span><span class="n">double</span><span class="p">())</span>
<span class="go">tensor([False, False, True, False])</span>
<span class="gp">>>> </span><span class="n">torch</span><span class="o">.</span><span class="n">logical_and</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">double</span><span class="p">(),</span> <span class="n">b</span><span class="p">)</span>
<span class="go">tensor([False, False, True, False])</span>
<span class="gp">>>> </span><span class="n">torch</span><span class="o">.</span><span class="n">logical_and</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="n">torch</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">torch</span><span class="o">.</span><span class="n">bool</span><span class="p">))</span>
<span class="go">tensor([False, False, True, False])</span>
</pre></div>
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