Merge pull request #102 from Rishikesh233/master

change Fix Typo: Chpt. 15, Hamiltonian MC

Author: ChrisRackauckas

_weave/lecture16/probabilistic_programming.html

@@ -225,7 +225,7 @@ <h3>Hamiltonian Monte Carlo</h3>
 <p class="math">\[
 \begin{align}
 \frac{dx}{dt} &=  \frac{dH}{dp}\\
-              &= -\frac{dH}{dx}
+\dot{p}  &= -\frac{dH}{dx}
 \end{align}
 \]</p>
 <p>Here we want our Hamiltonian to be our posterior probability, so that way we stay on the manifold of high probability. This means:</p>