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<section id="numpy-atleast-2d">
<h1>numpy.atleast_2d<a class="headerlink" href="#numpy-atleast-2d" title="Link to this heading">#</a></h1>
<dl class="py function">
<dt class="sig sig-object py" id="numpy.atleast_2d">
<span class="sig-prename descclassname"><span class="pre">numpy.</span></span><span class="sig-name descname"><span class="pre">atleast_2d</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">arys</span></span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/numpy/numpy/blob/main/numpy/_core/shape_base.py#L80-L132"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#numpy.atleast_2d" title="Link to this definition">#</a></dt>
<dd><p>View inputs as arrays with at least two dimensions.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><dl class="simple">
<dt><strong>arys1, arys2, …</strong><span class="classifier">array_like</span></dt><dd><p>One or more array-like sequences. Non-array inputs are converted
to arrays. Arrays that already have two or more dimensions are
preserved.</p>
</dd>
</dl>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><dl class="simple">
<dt><strong>res, res2, …</strong><span class="classifier">ndarray</span></dt><dd><p>An array, or tuple of arrays, each with <code class="docutils literal notranslate"><span class="pre">a.ndim</span> <span class="pre">>=</span> <span class="pre">2</span></code>.
Copies are avoided where possible, and views with two or more
dimensions are returned.</p>
</dd>
</dl>
</dd>
</dl>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<dl class="simple">
<dt><a class="reference internal" href="numpy.atleast_1d.html#numpy.atleast_1d" title="numpy.atleast_1d"><code class="xref py py-obj docutils literal notranslate"><span class="pre">atleast_1d</span></code></a>, <a class="reference internal" href="numpy.atleast_3d.html#numpy.atleast_3d" title="numpy.atleast_3d"><code class="xref py py-obj docutils literal notranslate"><span class="pre">atleast_3d</span></code></a></dt><dd></dd>
</dl>
</div>
<p class="rubric">Examples</p>
<div class="try_examples_outer_container docutils container" id="2ea8773f-7c57-4c73-a2af-5980b507a510">
<div class="try_examples_button_container"><button class="try_examples_button" onclick="window.tryExamplesShowIframe('2ea8773f-7c57-4c73-a2af-5980b507a510','c54625f7-5e85-473e-a6ec-b62394b457b6','027e3071-f329-4907-8eff-2838223d5373','../../lite/tree/../notebooks/index.html?path=38fdb6ba_bcf5_4f2b_b7f6_70451f536093.ipynb','None')">Try it in your browser!</button></div><div class="try_examples_content docutils container">
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span><span class="w"> </span><span class="nn">numpy</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">np</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="mf">3.0</span><span class="p">)</span>
<span class="go">array([[3.]])</span>
</pre></div>
</div>
<div class="doctest 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">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mf">3.0</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="go">array([[0., 1., 2.]])</span>
<span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="n">x</span><span class="p">)</span><span class="o">.</span><span class="n">base</span> <span class="ow">is</span> <span class="n">x</span>
<span class="go">True</span>
</pre></div>
</div>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">],</span> <span class="p">[[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]])</span>
<span class="go">(array([[1]]), array([[1, 2]]), array([[1, 2]]))</span>
</pre></div>
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