burlap.behavior.singleagent.planning.vfa.fittedvi

Class FittedVI.VFAVInit

java.lang.Object

burlap.behavior.singleagent.planning.vfa.fittedvi.FittedVI.VFAVInit

All Implemented Interfaces:

ValueFunction, ValueFunctionInitialization

Enclosing class:

FittedVI

public class FittedVI.VFAVInit
extends java.lang.Object
implements ValueFunctionInitialization

A class for ValueFunctionInitialization that always points to the outer class's current value function approximation.

Nested Class Summary

Nested classes/interfaces inherited from interface burlap.behavior.valuefunction.ValueFunctionInitialization

ValueFunctionInitialization.ConstantValueFunctionInitialization

Constructor Summary

Constructors

Constructor and Description
FittedVI.VFAVInit()

Method Summary

Methods

Modifier and Type	Method and Description
double	qValue(State s, AbstractGroundedAction a) Returns the initialization value of the Q-value function for a given state and action pair.
double	value(State s) Returns the value function evaluation of the given state.

Methods inherited from class java.lang.Object

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

Constructor Detail

FittedVI.VFAVInit

public FittedVI.VFAVInit()

Method Detail

value

public double value(State s)

Description copied from interface: ValueFunction

Returns the value function evaluation of the given state. If the value is not stored, then the default value specified by the ValueFunctionInitialization object of this class is returned.

Specified by:

value in interface ValueFunction

Parameters:

s - the state to evaluate.

Returns:

the value function evaluation of the given state.

qValue

public double qValue(State s,
            AbstractGroundedAction a)

Description copied from interface: ValueFunctionInitialization

Returns the initialization value of the Q-value function for a given state and action pair.

Specified by:

qValue in interface ValueFunctionInitialization

Parameters:

s - the state for which to get the initial value of the Q-value function.

a - the action for which to get the initial value of the Q-value function.

Returns:

the initialization value of the Q-value function for a given state and action pair.