pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction Class Reference

#include <ParametrizedFunction.hpp>

List of all members.

Public Types
typedef data::SampleDatum < double, value_type >	Datum
typedef std::vector< Datum >	Data

Public Member Functions
	ErrorFunction (const ParametrizedFunction< value_type > &f, const Data &data)
int	parameterCount () const
double	operator() (const ublas::vector< double > &p) const
ublas::vector< double >	dp (const ublas::vector< double > &p) const
ublas::matrix< double >	dp2 (const ublas::vector< double > &p) const

Private Attributes
const ParametrizedFunction < value_type > &	f_
const Data &	data_

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Detailed Description

template<typename value_type>
class pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction

Definition at line 61 of file ParametrizedFunction.hpp.

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Member Typedef Documentation

template<typename value_type>

typedef data::SampleDatum<double, value_type> pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::Datum

Definition at line 65 of file ParametrizedFunction.hpp.

template<typename value_type>

typedef std::vector<Datum> pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::Data

Definition at line 66 of file ParametrizedFunction.hpp.

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Constructor & Destructor Documentation

template<typename value_type>

pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::ErrorFunction ( const ParametrizedFunction< value_type > &  f, const Data &  data  )

inline

Definition at line 68 of file ParametrizedFunction.hpp.

    :   f_(f), data_(data)
    {}

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Member Function Documentation

template<typename value_type>

int pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::parameterCount ( ) const

inline

Definition at line 72 of file ParametrizedFunction.hpp.

{return f_.parameterCount();}

template<typename value_type>

double pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::operator() ( const ublas::vector< double > &  p ) const

inline

Definition at line 74 of file ParametrizedFunction.hpp.

References data_, and norm().

    {
        double result = 0;
        for (typename Data::const_iterator it=data_.begin(); it!=data_.end(); ++it)
            result += norm(std::complex<double>(f_(it->x,p) - it->y));
        return result;
    }

template<typename value_type>

ublas::vector<double> pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::dp ( const ublas::vector< double > &  p ) const

inline

Definition at line 82 of file ParametrizedFunction.hpp.

References pwiz::math::MatchedFilter::details::conj(), data_, and pwiz::frequency::ParametrizedFunction< value_type >::parameterCount().

Referenced by pwiz::frequency::DerivativeTest::testDerivatives().

    {
        ublas::vector<double> result(parameterCount());
        result.clear();
        for (typename Data::const_iterator it=data_.begin(); it!=data_.end(); ++it)
        {
            std::complex<double> diffconj = conj(std::complex<double>(f_(it->x,p) - it->y));
            result += 2 * real(diffconj*f_.dp(it->x,p));
        }
        return result;
    }

template<typename value_type>

ublas::matrix<double> pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::dp2 ( const ublas::vector< double > &  p ) const

inline

Definition at line 94 of file ParametrizedFunction.hpp.

References pwiz::math::MatchedFilter::details::conj(), data_, pwiz::frequency::ParametrizedFunction< value_type >::dp(), pwiz::frequency::ParametrizedFunction< value_type >::dp2(), and pwiz::frequency::ParametrizedFunction< value_type >::parameterCount().

Referenced by pwiz::frequency::DerivativeTest::testDerivatives().

    {
        ublas::matrix<double> result(parameterCount(), parameterCount());
        result.clear();
        for (typename Data::const_iterator it=data_.begin(); it!=data_.end(); ++it)
        {
            std::complex<double> diffconj = conj(std::complex<double>(f_(it->x, p) - it->y));
            ublas::vector<value_type> dp = f_.dp(it->x,p);
            ublas::matrix<value_type> dp2 = f_.dp2(it->x,p);
            result += 2 * real(diffconj*dp2 + outer_prod(conj(dp),dp));
        }
        return result;
    }

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Member Data Documentation

template<typename value_type>

const ParametrizedFunction<value_type>& pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::f_

private

Definition at line 109 of file ParametrizedFunction.hpp.

template<typename value_type>

const Data& pwiz::frequency::ParametrizedFunction< value_type >::ErrorFunction::data_

private

Definition at line 110 of file ParametrizedFunction.hpp.

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The documentation for this class was generated from the following file:

• /Users/parag/_Research/pwiz/svn/trunk/pwiz/pwiz/analysis/frequency/ParametrizedFunction.hpp