Trait renforce::util::QFunction [−] [src]

pub trait QFunction<S: Space, A: Space>: Debug {
    fn eval(&self, state: &S::Element, action: &A::Element) -> f64;
    fn update(&mut self,
              state: &S::Element,
              action: &A::Element,
              new_val: f64,
              alpha: f64);
}

QFunction Trait

Represents a function Q: S x A -> R that takes in a (state, action) pair and returns the value of that pair

Required Methods

`fn eval(&self, state: &S::Element, action: &A::Element) -> f64`

Evaluate the function on the given state and action

`fn update(&mut self, state: &S::Element, action: &A::Element, new_val: f64, alpha: f64)`

Update the function using the given information (alpha is learning rate)

Implementors

impl<S: Space, A: FiniteSpace, Q: QFunction<S, A>> QFunction<S, A> for GreedyQAgent<S, A, Q>
impl<S: Space, A: FiniteSpace, Q, T> QFunction<S, A> for EGreedyQAgent<S, A, Q, T> where T: Chooser<A::Element>, Q: QFunction<S, A>
impl<S: FiniteSpace, A: FiniteSpace> QFunction<S, A> for QTable<S, A> where S::Element: Hash + Eq, A::Element: Hash + Eq
impl<F: Float + Debug, S: Space, A: FiniteSpace> QFunction<S, A> for QLinear<F, S, A> where A::Element: Hash + Eq