擅长:python、mysql、java
<blockquote>
<p>You need to use </p>
</blockquote>
<pre><code> data.reshape((data.shape[0], data.shape[1], 1))
</code></pre>
<blockquote>
<p>Example</p>
</blockquote>
^{pr2}$
<blockquote>
<p>Running the example first prints the size of each dimension in the 2D array, reshapes the array, then summarizes the shape of the new 3D array.</p>
<p>Result</p>
</blockquote>
<pre><code>(3,2)
(3,2,1)
</code></pre>
<blockquote>
<p>Source :<a href="https://machinelearningmastery.com/index-slice-reshape-numpy-arrays-machine-learning-python/" rel="nofollow noreferrer">https://machinelearningmastery.com/index-slice-reshape-numpy-arrays-machine-learning-python/</a></p>
</blockquote>