MESSI_JAMES的博客

import matplotlib.pyplot as plt from scipy.optimize import curve_fit import pandas as pd import numpy as np df=pd.read_excel('D:/CPO/BEV残值逻辑修改/TP超参数.xlsx') x=df.TP_2.values y=df.CS_2.values z1 = np.polyfit(x, y, 7) p1 = np.poly1d(z1) list(p1) # 画趋势图