Alternative Equation Formats

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MathML

{({\hat{σ}}^{(m + 1)})}^{2} = \frac{1}{n h} \sum_{i = 1}^{n} χ_{d} (\frac{r_{i}}{{\hat{σ}}^{(m)}}) {({\hat{σ}}^{(m)})}^{2}

Math Rendered as SVG

Math as LaTeX Source

\[ \left({\hat\sigma }^{(m+1)}\right)^2 = {1\over nh}\sum _{i=1}^ n \chi _ d \left( {r_ i\over {\hat\sigma }^{(m)}} \right) \left({\hat\sigma }^{(m)}\right)^2 \]