擅长:python、mysql、java
<p>你想这么做</p>
<p><code>m=sum((x<sub>i</sub>-mean(x))*y<sub>i</sub>)</code></p>
<p>你可以试试这个</p>
<pre><code>from statistics import mean
x=[1,2,3,4,5]
y=[6,7,8,9,10]
mean_x=mean(x)
m=(1/D)*sum((i-mean_x)*j for i,j in zip(x,y))
c=mean(y)-(m*mean_x)
</code></pre>