Alternative Equation Formats

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MathML

\begin{aligned} e (λ) & = tr {{(\nabla^{2} l (β^{(k)}))}^{1 / 2} (\nabla^{2} l (β^{(k)}) - 2 W^{-})^{- 1} {(\nabla^{2} l (β^{(k)}))}^{1 / 2}} \\ = tr {(\nabla^{2} l (β^{(k)}) - 2 W^{-})^{- 1} \nabla^{2} l (β^{(k)})} \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\begin{align*} e(\lambda ) & = \text {tr} \left\{ \left(\nabla ^2 l(\beta ^{(k)})\right)^{1/2}\Bigl (\nabla ^2 l(\beta ^{(k)}) -2W^-\Bigr )^{-1} \left(\nabla ^2 l(\beta ^{(k)})\right)^{1/2} \right\} \\ & = \text {tr} \left\{ \Bigl (\nabla ^2 l(\beta ^{(k)}) -2 W^- \Bigr )^{-1} \nabla ^2 l(\beta ^{(k)}) \right\} \end{align*}