agi.foundation.numericalmethods.advanced

(agi.foundation.core-2024r3.jar)

Class OrdinaryDifferentialEquationSystem

java.lang.Object

agi.foundation.numericalmethods.advanced.OrdinaryDifferentialEquationSystem

public class OrdinaryDifferentialEquationSystem
extends Object

Describes a system of ordinary differential equations.

See Also:

OrdinaryDifferentialEquationFunction

Constructor Summary

Constructors

Constructor and Description
OrdinaryDifferentialEquationSystem(OrdinaryDifferentialEquationFunction function, int... orders) Initializes a system of ordinary differential equations from the provided information.

Method Summary

Modifier and Type	Method and Description
int	getDimensionForOrder(int order) Gets the number of variables of the given order in the dependent variables.
OrdinaryDifferentialEquationFunction	getFunction() Gets the multivariate, vector function representing the set of ordinary differential equations.
boolean	getIsMixedOrder() Gets a value indicating whether the highest order derivative for each dependent variable appearing in the set of equations is not the same.
int	getMaxOrder() Gets the highest order derivative appearing in the set of differential equations for all the dependent variables.
int[]	getOrders() Gets the order of the highest derivative for each of the dependent variables.
protected void	setFunction(OrdinaryDifferentialEquationFunction value) Sets the multivariate, vector function representing the set of ordinary differential equations.
protected void	setIsMixedOrder(boolean value) Sets a value indicating whether the highest order derivative for each dependent variable appearing in the set of equations is not the same.
protected void	setMaxOrder(int value) Sets the highest order derivative appearing in the set of differential equations for all the dependent variables.
protected void	setOrders(int[] value) Sets the order of the highest derivative for each of the dependent variables.
OrdinaryDifferentialEquationSystem	toFirstOrderSystem() Converts the system of ordinary differential equations to its equivalent first order system.

Methods inherited from class java.lang.Object

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

Constructor Detail

OrdinaryDifferentialEquationSystem

public OrdinaryDifferentialEquationSystem(OrdinaryDifferentialEquationFunction function,
                                          @Nonnull
                                          int... orders)

Initializes a system of ordinary differential equations from the provided information.

Parameters:

function - The multivariate, vector function which produces the highest order derivative for each of the dependent variables in the set of equations.

orders - The order of the highest derivative for each of the dependent variables.

Method Detail

getOrders

public final int[] getOrders()

Gets the order of the highest derivative for each of the dependent variables.

setOrders

protected final void setOrders(int[] value)

Sets the order of the highest derivative for each of the dependent variables.

getMaxOrder

public final int getMaxOrder()

Gets the highest order derivative appearing in the set of differential equations for all the dependent variables.

setMaxOrder

protected final void setMaxOrder(int value)

Sets the highest order derivative appearing in the set of differential equations for all the dependent variables.

getIsMixedOrder

public final boolean getIsMixedOrder()

Gets a value indicating whether the highest order derivative for each dependent variable appearing in the set of equations is not the same.

setIsMixedOrder

protected final void setIsMixedOrder(boolean value)

Sets a value indicating whether the highest order derivative for each dependent variable appearing in the set of equations is not the same.

getDimensionForOrder

public final int getDimensionForOrder(int order)

Gets the number of variables of the given order in the dependent variables.

Parameters:

order - The order of dependent variables to analyze.

Returns:

The number of variables of the given order in the dependent variables.

getFunction

public final OrdinaryDifferentialEquationFunction getFunction()

Gets the multivariate, vector function representing the set of ordinary differential equations.

setFunction

protected final void setFunction(OrdinaryDifferentialEquationFunction value)

Sets the multivariate, vector function representing the set of ordinary differential equations.

toFirstOrderSystem

@Nonnull
public final OrdinaryDifferentialEquationSystem toFirstOrderSystem()

Converts the system of ordinary differential equations to its equivalent first order system.

Returns:

The equivalent first order system.