擅长:python、mysql、java
<p>您可以使用矩阵乘法点,但在必须将序列转换为数据帧之前(因为<a href="http://pandas.pydata.org/pandas-docs/dev/dsintro.html" rel="nofollow">dot method on Series implements dot product</a>):</p>
<pre><code>>>> B = pd.Series(range(1, 5))
>>> A = pd.Series(range(1, 5))
>>> dfA = pd.DataFrame(A)
>>> dfB = pd.DataFrame(B)
>>> dfA.dot(dfB.T)
0 1 2 3
0 1 2 3 4
1 2 4 6 8
2 3 6 9 12
3 4 8 12 16
</code></pre>