pwiz::frequency::DerivativeTest::VectorFunction< value_type > Class Template Reference

#include <DerivativeTest.hpp>

Inheritance diagram for pwiz::frequency::DerivativeTest::VectorFunction< value_type >:

List of all members.

Public Member Functions
virtual unsigned int	argumentCount () const =0
virtual unsigned int	valueCount () const =0
virtual ublas::vector< value_type >	operator() (ublas::vector< double > x) const =0
ublas::matrix< value_type >	differenceQuotient (ublas::vector< double > x, double delta) const
void	printDifferenceQuotientSequence (ublas::vector< double > x, std::ostream &os) const

Protected Member Functions
virtual	~VectorFunction ()

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Detailed Description

template<typename value_type>
class pwiz::frequency::DerivativeTest::VectorFunction< value_type >

Definition at line 49 of file DerivativeTest.hpp.

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Constructor & Destructor Documentation

template<typename value_type>

virtual pwiz::frequency::DerivativeTest::VectorFunction< value_type >::~VectorFunction ( )

inlineprotectedvirtual

Definition at line 62 of file DerivativeTest.hpp.

{}

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Member Function Documentation

template<typename value_type>

virtual unsigned int pwiz::frequency::DerivativeTest::VectorFunction< value_type >::argumentCount ( ) const

pure virtual

Implemented in pwiz::frequency::DerivativeTest::AdaptedErrorDerivative< value_type >, pwiz::frequency::DerivativeTest::AdaptedErrorFunction< value_type >, pwiz::frequency::DerivativeTest::ParametrizedDerivativeSlice< value_type >, and pwiz::frequency::DerivativeTest::ParametrizedFunctionSlice< value_type >.

template<typename value_type>

virtual unsigned int pwiz::frequency::DerivativeTest::VectorFunction< value_type >::valueCount ( ) const

pure virtual

Implemented in pwiz::frequency::DerivativeTest::AdaptedErrorDerivative< value_type >, pwiz::frequency::DerivativeTest::AdaptedErrorFunction< value_type >, pwiz::frequency::DerivativeTest::ParametrizedDerivativeSlice< value_type >, and pwiz::frequency::DerivativeTest::ParametrizedFunctionSlice< value_type >.

template<typename value_type>

virtual ublas::vector<value_type> pwiz::frequency::DerivativeTest::VectorFunction< value_type >::operator() ( ublas::vector< double >  x ) const

pure virtual

Implemented in pwiz::frequency::DerivativeTest::AdaptedErrorDerivative< value_type >, pwiz::frequency::DerivativeTest::AdaptedErrorFunction< value_type >, pwiz::frequency::DerivativeTest::ParametrizedDerivativeSlice< value_type >, and pwiz::frequency::DerivativeTest::ParametrizedFunctionSlice< value_type >.

template<typename value_type >

ublas::matrix< value_type > pwiz::frequency::DerivativeTest::VectorFunction< value_type >::differenceQuotient	(	ublas::vector< double >	x,
		double	delta
	)		const

Definition at line 67 of file DerivativeTest.hpp.

References x.

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

{
    ublas::matrix<value_type> result(argumentCount(), valueCount());
    result.clear();
    for (unsigned int i=0; i<argumentCount(); i++)
    {
        ublas::vector<double> x2(x);
        x2(i) += delta;
        row(result, i) = ((*this)(x2)-(*this)(x))/delta;
    }
    return result;
}

template<typename value_type >

void pwiz::frequency::DerivativeTest::VectorFunction< value_type >::printDifferenceQuotientSequence	(	ublas::vector< double >	x,
		std::ostream &	os
	)		const

Definition at line 82 of file DerivativeTest.hpp.

References e().

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

{
        using namespace std;

    for (double delta=.1; delta>1e-9; delta/=10)
    {
        os << scientific << setprecision(1) << "[delta: " << delta << "] ";
        os.unsetf(std::ios::scientific);
        os << setprecision(8) << differenceQuotient(x, delta) << endl;
    }
}

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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/DerivativeTest.hpp