Alternative Equation Formats

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MathML

\begin{aligned} g_{q l} & = [g_{q l, j}] = [\frac{\partial Q L (μ, ϕ, y)}{\partial β_{j}}] = D^{'} V^{- 1} (Y - μ) / ϕ \\ H_{q l} & = [h_{q l, j k}] = [\frac{\partial^{2} Q L (μ, ϕ, y)}{\partial β_{j} \partial β_{k}}] = D^{'} V^{- 1} D / ϕ \end{aligned}

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Math as LaTeX Source

\begin{align*} \mb{g}_{ql} & = \left[g_{ql,j}\right] = \left[ \frac{\partial QL(\bmu ,\phi ,\mb{y})}{\partial \beta _ j} \right] = \mb{D}'\mb{V}^{-1}(\mb{Y}-\bmu )/\phi \\ \mb{H}_{ql} & = \left[ h_{ql,jk} \right] = \left[ \frac{\partial ^2 QL(\bmu ,\phi ,\mb{y})}{\partial \beta _ j \partial \beta _ k} \right] = \mb{D}'\mb{V}^{-1}\mb{D}/\phi \end{align*}