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/**
\file lin1d.hpp
\brief 1d linear model
\author Junhua Gu
*/
#ifndef LINEAR_MODEL_H_
#define LINEAR_MODEL_H_
#define OPT_HEADER
#include <core/fitter.hpp>
#include <core/pre_estimater.hpp>
#include <cmath>
namespace opt_utilities
{
template <typename T>
class lin1d
:public model<T,T,std::vector<T>,std::string>
,public pre_estimatable<T,T,std::vector<T>,std::string>
{
private:
model<T,T,std::vector<T> >* do_clone()const
{
return new lin1d<T>(*this);
}
const char* do_get_type_name()const
{
return "1d linear model";
}
public:
lin1d()
{
this->push_param_info(param_info<std::vector<T> >("k",1));
this->push_param_info(param_info<std::vector<T> >("b",0));
}
public:
T do_eval(const T& x,const std::vector<T>& param)
{
return x*get_element(param,0)+get_element(param,1);
}
private:
std::string do_get_information()const
{
return "<math><mrow> <mtext>f(x;k,b)=k x+b</mtext> \
</mrow> \
</math>";
}
};
}
#endif
//EOF
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