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Variational Bayes Updates

We define:

$\displaystyle B_i=\left[\! \begin{array}{c} \beta_i \\ \hat{\beta}_i \end{array}\! \right]$

(37)

and:

$\displaystyle \beta_i=QB_i$
$\displaystyle \beta_{ie}=Q_{ie}B_i$
$\displaystyle \bar{\beta}_{ie}=R_{ie}B_i$			(38)