The GLS Estimator Is Defined as A$\left(\boldsymbol{X}^{\prime} \boldsymbol{\Omega}^{1} \boldsymbol{X}\right)^{-1}\left(\boldsymbol{X}^{\prime} \Omega^{1} \boldsymbol{Y}\right)$

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The GLS Estimator Is Defined as A $\left(\boldsymbol{X}^{\prime} \boldsymbol{\Omega}^{1} \boldsymbol{X}\right)^{-1}\left(\boldsymbol{X}^{\prime} \Omega^{1} \boldsymbol{Y}\right)$

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The GLS Estimator Is Defined as A (X′Ω1X)−1(X′Ω1Y)\left(\boldsymbol{X}^{\prime} \boldsymbol{\Omega}^{1} \boldsymbol{X}\right)^{-1}\left(\boldsymbol{X}^{\prime} \Omega^{1} \boldsymbol{Y}\right)(X′Ω1X)−1(X′Ω1Y)

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The GLS Estimator Is Defined as A $\left(\boldsymbol{X}^{\prime} \boldsymbol{\Omega}^{1} \boldsymbol{X}\right)^{-1}\left(\boldsymbol{X}^{\prime} \Omega^{1} \boldsymbol{Y}\right)$

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