擅长:python、mysql、java
<p>我想你可以用np.cumsum公司<a href="http://docs.scipy.org/doc/numpy/reference/generated/numpy.cumsum.html" rel="nofollow noreferrer">http://docs.scipy.org/doc/numpy/reference/generated/numpy.cumsum.html</a>:</p>
<pre><code>>>>y = np.arange(0,1,0.1)
>>>[ 0. 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9]
>>>y_cum = np.cumsum(y)
>>>[ 0. 0.1 0.3 0.6 1. 1.5 2.1 2.8 3.6 4.5]
</code></pre>
<p>编辑:</p>
<p>使用您的示例坐标,我得到以下输出:</p>
^{pr2}$
<p><img src="https://i.stack.imgur.com/Yaj6q.png" alt="bezier"/></p>
<pre><code> plot(np.cumsum(x),np.cumsum(y))
</code></pre>
<p><img src="https://i.stack.imgur.com/pXC27.png" alt="bezier_cumsum"/></p>
<p>假设这就是你要找的!在</p>