Alternative Equation Formats

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MathML

\begin{array}{rcl} L_{β} & = & \sum_{i = 1}^{N} (y_{i} - \frac{Z_{λ} (λ_{i}, ν_{i})}{Z (λ_{i}, ν_{i})} λ_{i}) x_{i} \\ L_{δ} & = & \sum_{i = 1}^{N} (\ln (y_{i}!) + \frac{Z_{ν} (λ_{i}, ν_{i})}{Z (λ_{i}, ν_{i})}) ν_{i} g_{i} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \mathcal{L}_{\beta } & = & \sum _{i=1}^ N\left(y_ i - \frac{Z_\lambda (\lambda _ i, \nu _ i)}{Z(\lambda _ i, \nu _ i)}\lambda _ i\right)\mathbf{x}_ i \\ \mathcal{L}_{\delta } & = & \sum _{i=1}^ N\left(\ln (y_ i!) + \frac{Z_\nu (\lambda _ i, \nu _ i)}{Z(\lambda _ i, \nu _ i)}\right)\nu _ i\mathbf{g}_ i \end{eqnarray*}