Alternative Equation Formats

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MathML

- 2 \sum_{i} f_{i} {\begin{cases} w_{i} \log [ω_{i} + (1 - ω_{i}) \exp (- μ_{i})] & y_{i} = 0 \\ w_{i} [\log (1 - ω_{i}) + y_{i} \log (μ_{i}) - \\ μ_{i} - \log (y_{i}!)] & y_{i} > 0 \end{cases}

Math Rendered as SVG

Math as LaTeX Source

$ -2\sum _ i f_ i\left\{ \begin{array}{ll} w_ i\log [\omega _ i + (1-\omega _ i)\exp (-\mu _ i)] & y_ i=0 \\ w_ i[\log (1-\omega _ i)+y_ i \log (\mu _ i) - & \\ \mu _ i-\log (y_ i!)] & y_ i>0 \\ \end{array} \right. $