bayespy.inference.vmp.nodes.gaussian.GaussianARDDistribution.compute_message_to_parent

GaussianARDDistribution.compute_message_to_parent(parent, index, u, u_mu_alpha)[source]

m = 
\begin{bmatrix}
    x
    \\
    [-\frac{1}{2}, \ldots, -\frac{1}{2}]
    \\
    -\frac{1}{2} \mathrm{diag}(xx^T)
    \\
    [\frac{1}{2}, \ldots, \frac{1}{2}]
\end{bmatrix}