Alternative Equation Formats

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MathML

{\hat{Λ}}_{F} (t, ξ) = e^{{\hat{β}}^{'} ξ} \sum_{t_{i} \leq t} {\sum_{k = 1}^{d (t_{i})} \frac{1}{S_{E}^{(0)} (\hat{β}, k, t_{i})}}

Math Rendered as SVG

Math as LaTeX Source

\[ \hat{\Lambda }_ F(t,\bxi ) = \mr{e}^{\hat{\bbeta }'\bxi } \sum _{t_ i\leq t} \biggr \{ \sum _{k=1}^{d(t_ i)} \frac{1}{S_ E^{(0)}(\hat{\bbeta },k,t_ i)} \biggr \} \]