PIMathSolver Class Reference

Numerical solver for transfer-function models. More...

#include <pimathsolver.h>

Public Types
enum	Method
	Integration method selector.

Public Member Functions
	PIMathSolver ()
	Constructs an empty solver.
void	solve (double u, double h)
	Performs one solver step for input u and step h.
void	fromTF (const TransferFunction &TF)
	Initializes the internal model from a transfer function.
void	setMethod (Method m)
	Sets the method used by solve().
void	setTime (double time)
	Updates stored time history used by polynomial methods.
void	solveEyler1 (double u, double h)
	Performs one step with the first-order Euler method.
void	solveEyler2 (double u, double h)
	Performs one step with the second-order Euler method.
void	solveRK4 (double u, double h)
	Performs one step with the fourth-order Runge-Kutta method.
void	solveABM2 (double u, double h)
	Performs one step with the second-order Adams-Bashforth-Moulton method.
void	solveABM3 (double u, double h)
	Performs one step with the third-order Adams-Bashforth-Moulton method.
void	solveABM4 (double u, double h)
	Performs one step with the fourth-order Adams-Bashforth-Moulton method.
void	solvePA (double u, double h, uint deg)
	Performs one step with a polynomial approximation of degree deg. More...
void	solvePA2 (double u, double h)
	Performs one step with degree-2 polynomial approximation.
void	solvePA3 (double u, double h)
	Performs one step with degree-3 polynomial approximation.
void	solvePA4 (double u, double h)
	Performs one step with degree-4 polynomial approximation.
void	solvePA5 (double u, double h)
	Performs one step with degree-5 polynomial approximation.

Public Attributes
PIMathVectord	X
	Current solver state vector.

Static Public Attributes
static Method	method_global = PIMathSolver::Eyler_2
	Global default method used when Method is Global.
static const char	methods_desc []
	Text description of available methods.

Detailed Description

Numerical solver for transfer-function models.

Member Function Documentation

solvePA()

void PIMathSolver::solvePA	(	double	u,
		double	h,
		uint	deg
	)

Performs one step with a polynomial approximation of degree deg.

find polynom