### Model-Free Reinforcement Learning

Reinforcement Learning (RL) is concerned with the problem of an agent trying to maximize a scalar reward signal through interaction within its environment [1]. During...

$$\begin{equation*} \label{eq:2}g = \mathbb{E}\left[ \sum_{t=0}^{\infty} \phi_t \nabla_{\pmb{\theta}} \log \pi_{\pmb{\theta}}(\bf{a}_t \mid \bf{s}_t) \right]\end{equation*}$$