Examples
import numpy as np import pandas as pd
x = pd.Series([2, 2, 1, np.nan], index=['p', 'q', 'r', 's']) x
p 2.0 q 2.0 r 1.0 s NaN dtype: float64
y = pd.Series([2, np.nan, 1, 2], index=['p', 'q', 's', 't']) y
p 2.0 q NaN s 1.0 t 2.0 dtype: float64
x.pow(y, fill_value=0)
p 4.0 q 1.0 r 1.0 s 0.0 t 0.0 dtype: float64