擅长:python、mysql、java
<p>使用<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.tile.html" rel="nofollow noreferrer">^{<cd1>}</a>。在</p>
<pre><code>>>> a = np.arange(5)
>>> np.tile(a, (3, 1))
array([[0, 1, 2, 3, 4],
[0, 1, 2, 3, 4],
[0, 1, 2, 3, 4]])
</code></pre>