吹吹自然风

文章目录使用最小二乘法做多项式拟合使用最小二乘法做多项式拟合# -*- coding: utf-8 -*-import numpy as npimport matplotlib.pyplot as pltclass PolynomialModel(object): def __init__(self, degree): self.model = None self.degree = degree def _generate_coef_matri