Derivative with the Centered Difference Scheme

Classes
class	numerical::DerivativeCenteredDifference< Functor >
	The numerical derivative of a functor. More...
Functions
template<class Functor>
void	numerical::derivative_centered_difference (const Functor &f, const typename Functor::argument_type x, typename Functor::result_type &deriv, const typename Functor::argument_type delta=std::pow(std::numeric_limits< typename Functor::argument_type >::epsilon(), 1.0/3.0))
	Calculate f'(x).
template<class Functor>
Functor::result_type	numerical::derivative_centered_difference (const Functor &f, const typename Functor::argument_type x, const typename Functor::argument_type delta=std::pow(std::numeric_limits< typename Functor::argument_type >::epsilon(), 1.0/3.0))
	Return f'(x).

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Detailed Description

These functions and functor calculate the derivative of a functor using a centered difference scheme:

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