Concepts2
📚TheoryIntermediate
Bellman Equations
Bellman equations express how the value of a state or action equals immediate reward plus discounted value of what follows.
#bellman equation#value iteration#policy iteration+12
∑MathIntermediate
Derangements
A derangement is a permutation with no element left in its original position, often written as !n or D(n).
#derangement#subfactorial#inclusion-exclusion+11