C++实现最小二乘法一元回归和多项式拟合

上传者: czyt1988 | 上传时间: 2019-12-21 19:37:30 | 文件大小: 331KB | 文件类型: rar
此类的具体使用方法见:http://blog.csdn.net/czyt1988/article/details/21743595 在进行曲线拟合时用的最多的是最小二乘法,其中以一元函数(线性)和多元函数(多项式)居多,下面这个类专门用于进行多项式拟合,可以根据用户输入的阶次进行多项式拟合,算法来自于网上,和GSL的拟合算法对比过,没有问题。此类在拟合完后还能计算拟合之后的误差:SSE(剩余平方和),SSR(回归平方和),RMSE(均方根误差),R-square(确定系数)。

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评论信息

  • tstep :
    还行吧,可以用
    2019-12-25
  • 每天3公里的程序员 :
    好书好书推荐
    2019-06-22
  • qq104750441 :
    不错,已经使用。
    2019-04-18
  • jxbicestare :
    很好,正是我需要的,谢谢楼主分享
    2019-04-02
  • 月球上看星星 :
    为啥我运行不出来,难受
    2019-03-14

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