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Error in formula for covariance #70

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apayeur opened this issue Oct 1, 2021 · 0 comments
Open

Error in formula for covariance #70

apayeur opened this issue Oct 1, 2021 · 0 comments

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@apayeur
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apayeur commented Oct 1, 2021

There is a small error in the formula for the covariance in section Multivariate Gaussian distribution.
It should be either
Σ = E[(X - μ)(X - μ)T]
or using the elements
Σij = Cov(Xi, Xj) = E[(Xi - μi)(Xj - μj)]
Note the absence of the transpose in the latter equation.

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