擅长:python、mysql、java
<p>从<a href="http://docs.scipy.org/doc/numpy/user/basics.indexing.html" rel="nofollow">http://docs.scipy.org/doc/numpy/user/basics.indexing.html</a>(节“索引数组”)。请注意,所需切片的索引应包含在“np.array()”中。</p>
<pre><code>>>> x = np.arange(10,1,-1)
>>> x
array([10, 9, 8, 7, 6, 5, 4, 3, 2])
>>> x[np.array([3, 3, 1, 8])]
array([7, 7, 9, 2])
</code></pre>