//
// PRIVATE METHODS
//
private MDPUtilityFunction <STATE_TYPE> updateUtilityFunction(double gamma)
{
MDPUtilityFunction <STATE_TYPE> uf = utilityFunction.copy();
double u_s = utilityFunction.getUtility(previousState);
double gammaUtilDIff = ((gamma * utilityFunction
.getUtility(currentState)) - utilityFunction
.getUtility(previousState));
double alphaTerm = stateCount.probabilityOf(previousState)
* (previousReward + gammaUtilDIff);
uf.setUtility(previousState, u_s + alphaTerm);
return(uf);
}