A numerical derivative class. More...

#include <numa.hpp>

Inheritance diagram for qlibs::derivative:

Public Member Functions
virtual	~derivative ()=default

	derivative (const real_t timeStep, const real_t initialCondition=0.0_re)
	Constructs a derivative block with a given timeStep and optional initial condition.

real_t	operator() (const real_t xt)
	Computes the numerical derivative based on the current input value.

Public Member Functions inherited from qlibs::nState
virtual	~nState ()=default

	nState (const real_t x0=0.0_re, const real_t sn_1=0.0_re, const real_t sn_2=0.0_re) noexcept
	Constructor for the state object.

void	init (const real_t x0=0.0_re, const real_t sn_1=0.0_re, const real_t sn_2=0.0_re) noexcept
	Initialize the state object.

real_t	integrate (const real_t s, const real_t dt, const bool bUpdate=true) noexcept
	Perform a numerical integration step by using the specified integration method.

real_t	derive (const real_t s, const real_t dt, const bool bUpdate=true) noexcept
	Perform a numerical derivation step by using the specified derivation method.

void	setIntegrationMethod (integrationMethod m) noexcept
	Sets the numerical integration method.

void	setDerivationMethod (derivationMethod m) noexcept
	Sets the numerical derivation method.

bool	setSaturation (const real_t minV, const real_t maxV) noexcept
	Sets the saturation limits for the integrator output.

real_t	operator() (void) const noexcept
	Get the value of the state.

Detailed Description

A numerical derivative class.

A numerical derivative class that can be used to compute in real-time the numerical approximations of derivatives for data values sampled periodically.

Constructor & Destructor Documentation

◆ ~derivative()

virtual qlibs::derivative::~derivative ( )

virtualdefault

◆ derivative()

derivative::derivative	(	const real_t	timeStep,
		const real_t	initialCondition = 0.0_re )

Constructs a derivative block with a given timeStep and optional initial condition.

Parameters

[in]	timeStep	The fixed time step (dt) used to compute the derivative.
[in]	initialCondition	The initial input value. Default is `0.0`

Note: It is assumed that input samples will be provided at regular intervals of timeStep.

Member Function Documentation

◆ operator()()

real_t derivative::operator() ( const real_t xt )

Computes the numerical derivative based on the current input value.