dev.nm.analysis.differentialequation.ode.ivp.problem

Class ODE1stOrderWith2ndDerivative

java.lang.Object

dev.nm.analysis.differentialequation.ode.ivp.problem.ODE1stOrder

dev.nm.analysis.differentialequation.ode.ivp.problem.ODE1stOrderWith2ndDerivative

public class ODE1stOrderWith2ndDerivative
extends ODE1stOrder

Some ODE solvers require the second derivative for more accurate Taylor series approximation.

Constructor Summary

Constructors

Constructor and Description
ODE1stOrderWith2ndDerivative(DerivativeFunction dy, DerivativeFunction ddy, Vector y0, double x0, double x1) Constructs a first order ODE with initial values.
ODE1stOrderWith2ndDerivative(RealVectorFunction dy, RealVectorFunction ddy, Vector y0, double x0, double x1) Constructs a first order ODE with initial values.

Method Summary

Modifier and Type	Method and Description
DerivativeFunction	ddy() Gets y'' = F(x,y).

Methods inherited from class dev.nm.analysis.differentialequation.ode.ivp.problem.ODE1stOrder

convertToDerivativeFunction, dimension, dy, x0, x1, y0

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ODE1stOrderWith2ndDerivative

public ODE1stOrderWith2ndDerivative(RealVectorFunction dy,
                                    RealVectorFunction ddy,
                                    Vector y0,
                                    double x0,
                                    double x1)

Constructs a first order ODE with initial values.

Parameters:

dy - y' = F(x,y)

ddy - y'' = F(x,y)

y0 - \(y_{0}\)

x0 - the start point of the integrating interval \([x_{0}, x_{1}]\)

x1 - the end point of the integrating interval \([x_{0}, x_{1}]\)

ODE1stOrderWith2ndDerivative

public ODE1stOrderWith2ndDerivative(DerivativeFunction dy,
                                    DerivativeFunction ddy,
                                    Vector y0,
                                    double x0,
                                    double x1)

Constructs a first order ODE with initial values.

Parameters:

dy - y' = F(x,y)

ddy - y'' = F(x,y)

y0 - \(y_{0}\)

x0 - the start point of the integrating interval \([x_{0}, x_{1}]\)

x1 - the end point of the integrating interval \([x_{0}, x_{1}]\)

Method Detail

ddy

public DerivativeFunction ddy()

Gets y'' = F(x,y).

Returns:

y'' = F(x,y)