首先，创建派生值：
df.loc[0, 'C'] = df.loc[0, 'D']
然后遍历其余行并填充计算出的值：
for i in range(1, len(df)):
df.loc[i, 'C'] = df.loc[i-1, 'C'] * df.loc[i, 'A'] + df.loc[i, 'B']
Index_Date A B C D
0 2015-01-31 10 10 10 10
1 2015-02-01 2 3 23 22
2 2015-02-02 10 60 290 280
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