burlap.behavior.functionapproximation.sparse

Interface SparseStateFeatures

All Known Implementing Classes:

TileCodingFeatures

public interface SparseStateFeatures

An interface for defining a database of state features that can be returned for any given input state or input state-action pair.

Author:

James MacGlashan

Method Summary

Modifier and Type	Method and Description
SparseStateFeatures	copy() Returns a deep copy of this feature database.
java.util.List<StateFeature>	features(State s) Returns non-zero state features for a given state.
int	numFeatures() Returns the total number of features

Method Detail

features

java.util.List<StateFeature> features(State s)

Returns non-zero state features for a given state.

Parameters:

s - the state for which features should be returned

Returns:

the features for state s

copy

SparseStateFeatures copy()

Returns a deep copy of this feature database. If the feature database is dynamic, then changes to one will not affect the other.

Returns:

a deep copy of this feature database

numFeatures

int numFeatures()

Returns the total number of features

Returns:

the total number of features