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The inverse of a given square matrix, $A$, is the matrix $A^{-1}$ such that $AA^{-1}$ is the identity matrix.
1
vote
1
answer
759
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Evaluate high-dimensional Gaussian with variance matrix $\sigma^{2}I_{n_{t}\times n_{t}}+\bo...
I need to compute the log-likelihood function in a high-dimensional
Gaussian time-series. I have the following model:
$\mathbf{y}_{t}\left|\mathcal{F}_{t-1}\sim\mathcal{N}\left(\mathbf{\boldsymbol{\m …
0
votes
0
answers
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Evaluate the multivariate normal using variance matrices $\boldsymbol{\Lambda}+\alpha_{i}\ma...
I need to calculate a huge amount of inverses and determinants to evaluate the pdf of the multivariate Gaussian.
Specifically
I need to compute the inverses and determinants of the following varianc …