擅长:python、mysql、java
<p>见<a href="http://docs.scipy.org/doc/numpy/reference/generated/numpy.lexsort.html#numpy.lexsort" rel="noreferrer">http://docs.scipy.org/doc/numpy/reference/generated/numpy.lexsort.html#numpy.lexsort</a></p>
<p>特别是在你的情况下</p>
<pre><code>import numpy as np
x = np.array([[0,3],[5,1],[2,1],[4,5]])
x[np.lexsort((x[:,0],x[:,1]))]
</code></pre>
<p>输出</p>
<pre><code>array([[2,1],[5,1],[0,3],[4,5]])
</code></pre>