Alternative Equation Formats

$${\displaystyle {\mathrm{\gamma <!--\; \gamma \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_z(h)=\{\begin{array}{ll}{c}_n+{{\mathrm{\sigma <!--\; \sigma \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_0}^2[\frac{3}{2}\frac{h}{a_0}-<!--\; -\; --><span\; class="Comment\_comment\_\_N0+Yl"></span>\frac{1}{2}(\frac{h}{a_0}{)}^3],& \text{for }0<h\le <!--\; \le \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>a_0\\ c_0,& \text{for }{a}_0<h\end{array}}$$

$${\displaystyle {\mathrm{\gamma <!--\; \gamma \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_z(h)=\{\begin{array}{ll}{c}_n+{{\mathrm{\sigma <!--\; \sigma \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>}}_0}^2[\frac{3}{2}\frac{h}{a_0}-<!--\; -\; --><span\; class="Comment\_comment\_\_N0+Yl"></span>\frac{1}{2}(\frac{h}{a_0}{)}^3],& \text{for }0<h\le <!--\; \le \; --><span\; class="Comment\_comment\_\_N0+Yl"></span>a_0\\ c_0,& \text{for }{a}_0<h\end{array}}$$

\[ \gamma _ z(h) = \left\{ \begin{array}{ll} c_ n + {\sigma _0}^2\left[\frac{3}{2}\frac{h}{a_0}- \frac{1}{2}(\frac{h}{a_0})^3 \right], & \mbox{for $0 < h \le a_0$} \\ c_0, & \mbox{for $a_0 < h$} \end{array} \right. \]