Alternative Equation Formats

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MathML

l n θ i = 0.5 ( d f + m ) ( 1 + q Σ 1 q / d f ) [ ( 2   q Σ 1 q θ i ) d f + q Σ 1 Σ θ i Σ 1 q ] n 2 t r a c e ( Σ 1 Σ θ i )

Math Rendered as SVG

Math as LaTeX Source

\[ \frac{\partial l_ n}{\partial \theta _ i} = \frac{0.5 (df + m)}{(1 +\mb{q} '\bSigma ^{-1} \mb{q} /df)} \left[\frac{(2 ~ \mb{q} '\bSigma ^{-1} \frac{\partial \mb{q} }{\partial \theta _ i} )}{df} + \mb{q} ' \bSigma ^{-1} \frac{\partial \bSigma }{\partial \theta _ i} \bSigma ^{-1} \mb{q} \right] - \frac{n}{2} \mr{trace} ( \bSigma ^{-1} \frac{\partial \bSigma }{\partial \theta _ i}) \]