Alternative Equation Formats

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MathML

\begin{array}{rcl} \frac{\partial l_{p} (β)}{\partial β} & = & \sum_{i = 1}^{n} δ_{i} x_{i} - \sum_{j = 1}^{J} d_{j} E_{j} (β) \\ - \frac{\partial^{2} l_{p} (β)}{\partial β^{2}} & = & \sum_{j = 1}^{J} d_{j} {\frac{S_{j}^{(2)} (β)}{S_{j}^{(0)} (β)} - [E_{j} (β)] [E_{j} (β)]^{'}} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \frac{\partial l_ p(\bbeta )}{\partial \bbeta } & =& \sum _{i=1}^ n \delta _ i \mb{x}_ i - \sum _{j=1}^ J d_ j \bE _ j(\bbeta )\\ - \frac{\partial ^2 l_ p(\bbeta )}{\partial \bbeta ^2} & =& \sum _{j=1}^ J d_ j \biggl \{ \frac{\bS _ j^{(2)}(\bbeta )}{S_ j^{(0)}(\bbeta )} - \biggl [\bE _ j(\bbeta )\biggl ] \biggl [ \bE _ j(\bbeta )\biggr ]'\biggl \} \\ \end{eqnarray*}