Alternative Equation Formats

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MathML

{\hat{σ}}_{k k^{'}}^{2} = \sum_{r = 1}^{K} \int_{0}^{τ_{k} \land τ_{k^{'}}} \frac{a_{k r} (t) a_{k^{'} r} (t)}{{\hat{h}}_{r} (t)} d {\hat{F}}_{1}^{0} (t) + \sum_{r = 1}^{K} \int_{0}^{τ_{k} \land τ_{k^{'}}} \frac{b_{2 k r} (t) b_{2 k^{'} r} (t)}{{\hat{h}}_{r} (t)} d {\hat{F}}_{2 r} (t)

Math Rendered as SVG

Math as LaTeX Source

\[ \hat{\sigma }^2_{kk'} = \sum _{r=1}^ K \int _0^{\tau _ k \wedge \tau _{k'}} \frac{a_{kr}(t) a_{k'r}(t)}{ \hat{h}_ r(t)} d\hat{F}_1^0(t) + \sum _{r=1}^ K \int _0^{\tau _ k \wedge \tau _{k'}} \frac{b_{2kr}(t) b_{2k'r}(t)}{ \hat{h}_ r(t)} d\hat{F}_{2r}(t) \]