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# pragma once
# include "Defines.h"
# include "mAlgPseudo_global.h"
# include "mAlgDefines.h"
# include "mAlgMatrix.h"
// 这是内部用的一些拟合相关的函数类
class M_ALGPSEUDO_EXPORT iAlgPseuFitHelper
{
public :
// 计算“x--->y”的回归曲线方程系数
static bool _fitXtoY ( VecDouble vecXs , VecDouble vecYs , VecDouble & vecCoefs , bool isZero = true ) ;
// 计算“y--->x”的回归曲线方程系数(反推)
static bool _fitYtoX ( VecDouble vecXs , VecDouble vecYs , VecDouble & vecCoefs , bool isZero = false ) ;
// 计算相关性系数
// vecXs是横坐标， ，
static bool _calR2 ( VecDouble vecXs , VecDouble vecYs , VecDouble vecCoefs , double & R2 ) ;
// 多项式转换
static bool _calMultiPolyX ( double x , double & y , VecDouble vecCoefs ) ;
private :
} ;