Alternative Equation Formats

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MathML

L (β) = \prod_{i = 1}^{n} \prod_{t \geq 0} {\frac{Y_{i} (t) \exp (β^{'} Z_{i} (t))}{\sum_{j = 1}^{n} Y_{j} (t) \exp (β^{'} Z_{j} (t))}}^{Δ N_{i} (t)}

Math Rendered as SVG

Math as LaTeX Source

\[ \mc{L}(\bbeta ) = \prod _{i=1}^{n} \prod _{t \geq 0} \biggl \{ \frac{Y_{i}(t)\exp (\bbeta '\bZ _{i}(t))}{\sum _{j=1}^{n}Y_{j}(t)\exp (\bbeta '\bZ _{j}(t))} \biggr \} ^{\Delta N_{i}(t)} \]