Alternative Equation Formats

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MathML

\begin{aligned} C & = {[\begin{array}{cc} X^{'} S^{- 1} X & X^{'} S^{- 1} Z \\ Z^{'} S^{- 1} X & Z^{'} S^{- 1} Z + G (\hat{θ})^{- 1} \end{array}]}^{-} \\ = [\begin{array}{cc} \hat{Ω} & - \hat{Ω} X^{'} V (\hat{θ})^{- 1} Z G (\hat{θ}) \\ - G (\hat{θ}) Z^{'} V (\hat{θ})^{- 1} X \hat{Ω} & M + G (\hat{θ}) Z^{'} V (\hat{θ})^{- 1} X \hat{Ω} X^{'} V (\hat{θ})^{- 1} Z G (\hat{θ}) \end{array}] \end{aligned}

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Math as LaTeX Source

\begin{align*} \mb{C} & = \left[ \begin{array}{cc} \mb{X}'\mb{S}^{-1}\mb{X} & \mb{X}'\mb{S}^{-1}\mb{Z} \\ \mb{Z}'\mb{S}^{-1}\mb{X} & \mb{Z}'\mb{S}^{-1}\mb{Z} + \mb{G}(\widehat{\btheta })^{-1} \end{array} \right]^{-} \\ & = \left[ \begin{array}{cc} \widehat{\bOmega } & -\widehat{\bOmega }\mb{X}'\mb{V}(\widehat{\btheta })^{-1}\mb{Z}\mb{G}(\widehat{\btheta }) \\ -\mb{G}(\widehat{\btheta })\mb{Z}'\mb{V}(\widehat{\btheta })^{-1}\mb{X}\widehat{\bOmega } & \mb{M} + \mb{G}(\widehat{\btheta })\mb{Z}'\mb{V}(\widehat{\btheta })^{-1}\mb{X}\widehat{\bOmega } \mb{X}'\mb{V}(\widehat{\btheta })^{-1}\mb{ZG}(\widehat{\btheta }) \end{array} \right] \end{align*}