Alternative Equation Formats

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MathML

\begin{array}{l} S_{1} (β, α) = \sum_{i = 1}^{K} {\frac{\partial μ_{i}}{\partial β}}^{'} V_{i 11}^{- 1} (Y_{i} - μ_{i} (β)) = 0 \\ S_{2} (β, α) = \sum_{i = 1}^{K} {\frac{\partial ξ_{i}}{\partial α}}^{'} V_{i 33}^{- 1} (Y_{i}^{*} - ξ_{i}) = 0 \end{array}

Math Rendered as SVG

Math as LaTeX Source

\[ \begin{array}{l} \mb{S}_1(\bbeta ,\balpha )=\sum \limits _{i=1}^ K \frac{\partial \bmu _ i}{\partial \bbeta }' \mb{V}_{i11}^{-1}\left(\mb{Y}_ i-\bmu _ i(\bbeta )\right)=\mb{0}\\ \mb{S}_2(\bbeta ,\balpha )=\sum \limits _{i=1}^ K \frac{\partial \bxi _ i}{\partial \balpha }'\mb{V}_{i33}^{-1}\left(\mb{Y}^*_ i-\bxi _ i \right)=\mb{0} \end{array} \]