擅长:python、mysql、java
<p>您可以使用<a href="https://numpy.org/doc/stable/reference/generated/numpy.stack.html" rel="nofollow noreferrer">^{<cd1>}</a></p>
<pre class="lang-py prettyprint-override"><code>a = np.ones((3, 4))
b = np.zeros((3, 4))
c = np.stack((a, b), axis=0)
c.shape # (2, 3, 4)
</code></pre>
<p>数组<code>c</code>具有以下数据:</p>
<pre class="lang-py prettyprint-override"><code>array([[[1., 1., 1., 1.],
[1., 1., 1., 1.],
[1., 1., 1., 1.]],
[[0., 0., 0., 0.],
[0., 0., 0., 0.],
[0., 0., 0., 0.]]])
</code></pre>