Testpost

Test

This is some formula:

\(\eta_{s}^{\pi} = \sum_{a \in \mathcal{A}} \int_{\mathcal{S} \times \R}\pi_s(a) b_{(r, \gamma)}^\#(\eta_{s^{\prime}}^{\pi}) d \rho_{(s,a)}(s^{\prime}, r), \quad s \in \mathcal{S}\)