擅长:python、mysql、java
<pre><code>import numpy as np
array = np.arange(0,20000)
samplespace = 5000
n = 3
sampledarray = np.stack([array[i::samplespace] for i in range(n)]).flatten(order='F')
</code></pre>
<p>输出:</p>
<pre><code>array([ 0, 1, 2, 5000, 5001, 5002, 10000, 10001, 10002,
15000, 15001, 15002])
</code></pre>