最小二乘法的实现曲线拟合功能，可以用于各种数据处理。-The least squares method of curve fitting function can be used for a variety of data processing.

函数逼近与曲线拟合，用最小二乘法进行曲线拟合的C或C++编写的完整程序！ 已知x 0 5 10 15 20 25 30 35 40 45 50 55 y 0 1.27 2.16 2.86 3.44 3.87 4.15 4.37 4.51 4.58 4.02 4.64 近似解析表达式为y=at+bt^2+ct^3 求a,b,c -Function approximation and curve fitting, using the least squares method

最小二乘法vb代码实现，用于解一元多次方程！-Vb code implements the least squares method for solving equations!