Alternative Equation Formats

$${\displaystyle \left(\begin{array}{r}{\mathrm{\delta <!--\; \delta \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_c\\ {\mathrm{\delta <!--\; \delta \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_t\end{array}\right)\sim <!--\; \sim \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>N(\left(\begin{array}{r}-<!--\; -\; --><span\; class="Comment\_comment\_\_N0+Yl"></span>0.5\\ -<!--\; -\; --><span\; class="Comment\_comment\_\_N0+Yl"></span>1\end{array}\right),\left(\begin{array}{rr}0.01& 0.001\\ 0.001& 0.01\end{array}\right))}$$

$${\displaystyle \left(\begin{array}{r}{\mathrm{\delta <!--\; \delta \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_c\\ {\mathrm{\delta <!--\; \delta \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_t\end{array}\right)\sim <!--\; \sim \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>N(\left(\begin{array}{r}-<!--\; -\; --><span\; class="Comment\_comment\_\_N0+Yl"></span>0.5\\ -<!--\; -\; --><span\; class="Comment\_comment\_\_N0+Yl"></span>1\end{array}\right),\left(\begin{array}{rr}0.01& 0.001\\ 0.001& 0.01\end{array}\right))}$$

\[ \left( \begin{array}{rrr} \delta _ c \\ \delta _ t \\ \end{array} \right) \; \sim \; N \left( \, \left( \begin{array}{rrr} -0.5 \\ -1 \\ \end{array} \right) \, , \left( \begin{array}{rrr} 0.01 & 0.001 \\ 0.001 & 0.01 \\ \end{array} \right) \right) \]