擅长:python、mysql、java
<p>您可以使用<code>numpy</code>直接获得给定范围内值的所需大小的随机矩阵。在</p>
<pre><code>>>> numpy.random.randint(low = 0, high = 200, size=(2, 4))
array([[ 75, 21, 132, 90],
[112, 11, 104, 114]])
>>> r = 2
>>> n = 1
>>> numpy.random.randint(low = 0, high = 200, size=(r, n))
array([[94],
[51]])
</code></pre>
<p><a href="http://docs.scipy.org/doc/numpy/reference/generated/numpy.random.randint.html" rel="nofollow">More details</a></p>