Python最小二乘法矩阵

最小二乘法矩阵 #! /usr/bin/env python # -*- coding: utf-8 -*- import numpy as np def calc_left_k_mat(k): """ 获得左侧k矩阵 :param k: :return: """ k_mat = [] for i in range(k + 1): now_line = [] for j in range(k + 1): now_line.append(j + i) k_mat.append(now_line) return k_mat de