Alternative Equation Formats

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MathML

\begin{array}{rcl} \hat{β} & = & (X^{^{'}} Ω^{- 1} X)^{- 1} X^{^{'}} Ω^{- 1} y \\ = & (X^{^{'}} Ω^{- 1} X)^{- 1} X^{^{'}} (Ω^{- 1} X β + Ω^{- 1} ϵ) \\ = & β + (X^{^{'}} Ω^{- 1} X)^{- 1} X^{^{'}} Ω^{- 1} ϵ \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \hat{\bbeta } & = & (\Strong{X} ^{'}{\Omega }^{-1}\Strong{X} )^{-1}\Strong{X} ^{'}{\Omega }^{-1}\Strong{y} \nonumber \\ & = & (\Strong{X} ^{'}{\Omega }^{-1}\Strong{X} )^{-1}\Strong{X} ^{'}({\Omega }^{-1}\mb{X \beta } + {\Omega }^{-1}{\bepsilon }) \nonumber \\ & = & \beta + (\Strong{X} ^{'}{\Omega }^{-1}\Strong{X} )^{-1}\Strong{X} ^{'}{\Omega }^{-1}{\bepsilon } \nonumber \end{eqnarray*}