Alternative Equation Formats

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MathML

\begin{array}{rcl} r^{t + ϵ / 2} & = & r^{t} + (ϵ / 2) ▽_{θ} log p (θ^{t}) \\ θ^{t + ϵ} & = & θ^{t} + ϵ r^{t + ϵ / 2} \\ r^{t + ϵ} & = & r^{t + ϵ / 2} + (ϵ / 2) ▽_{θ} log p (θ^{t + ϵ}) \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \mb{r}^{t+\epsilon /2}& =& \mb{r}^{t} + (\epsilon /2)\bigtriangledown _{\btheta }\mbox{log}p(\btheta ^{t})\\ \btheta ^{t+\epsilon }& =& \btheta ^{t} + \epsilon \mb{r}^{t+\epsilon /2}\\ \mb{r}^{t+\epsilon }& =& \mb{r}^{t+\epsilon /2} + (\epsilon /2)\bigtriangledown _{\btheta }\mbox{log}p(\btheta ^{t+\epsilon }) \end{eqnarray*}