Alternative Equation Formats

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MathML

\begin{aligned} g (β) & = \frac{\partial S S E (β)}{\partial β} = - 2 X^{'} r (β) \\ H (β) & = \frac{\partial^{2} S S E (β)}{\partial β \partial β^{'}} = 2 (X^{'} X - \sum_{i = 1}^{n} r_{i} (β) H_{i}^{*} (β)) \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\begin{align*} \mb{g}(\bbeta ) & = \frac{\partial \mr{SSE}(\bbeta )}{\partial \bbeta } = -2 \mb{X}^\prime \mb{r}(\bbeta ) \\ \mb{H}(\bbeta ) & = \frac{\partial ^2\mr{SSE}(\bbeta )}{\partial \bbeta \partial \bbeta ^{\prime }} = 2 \left( \mb{X}^\prime \mb{X} - \sum _{i=1}^ n r_ i(\bbeta ) \mb{H}^*_ i(\bbeta ) \right) \\ \end{align*}