Alternative Equation Formats

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MathML

\begin{array}{rcl} L_{β} & = & \sum_{i = 1}^{N} (ν_{i} y_{i} - \frac{S_{μ} (μ_{i}, ν_{i})}{S (μ_{i}, ν_{i})} μ_{i}) x_{i} \\ L_{δ} & = & \sum_{i = 1}^{N} (\ln (y_{i}!) + \frac{S_{ν} (μ_{i}, ν_{i})}{S (μ_{i}, ν_{i})} - y_{i} \log μ_{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(\nu _ iy_ i - \frac{S_\mu (\mu _ i,\nu _ i)}{S(\mu _ i,\nu _ i)}\mu _ i\right)\mathbf{x}_ i \\ \mathcal{L}_{\delta } & = & \sum _{i=1}^ N\left(\ln (y_ i!) + \frac{S_\nu (\mu _ i,\nu _ i)}{S(\mu _ i,\nu _ i)} - y_ i\log \mu _ i\right)\nu _ i\mathbf{g}_ i \end{eqnarray*}