Alternative Equation Formats

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MathML

\begin{array}{rcl} S^{(0)} (β, t) & = & \sum_{j} Y_{j} (t) e^{β^{'} Z_{j} (t)} \\ S^{(1)} (β, t) & = & \sum_{j} Y_{j} (t) e^{β^{'} Z_{j} (t)} Z_{j} (t) \\ \bar{Z} (β, t) & = & \frac{S^{(1)} (β, t)}{S^{(0)} (β, t)} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} S^{(0)}(\bbeta ,t) & =& \sum _{j} Y_{j}(t) \mr{e}^{\bbeta '\bZ _{j}(t)} \\ S^{(1)}(\bbeta ,t) & =& \sum _{j} Y_{j}(t) \mr{e}^{\bbeta '\bZ _{j}(t)} \bZ _{j}(t) \\ \bar{\bZ }(\bbeta ,t) & =& \frac{ S^{(1)}(\bbeta ,t)}{ S^{(0)}(\bbeta ,t)} \end{eqnarray*}