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An issue in gaussian mixture #29

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quantumiracle opened this issue Oct 13, 2020 · 1 comment

quantumiracle commented

Hi,
Should it be the inverse of covariance matrix here?

PRML/prml/rv/multivariate_gaussian_mixture.py

Line 124 in 47d9830

D_sq = np.sum(np.einsum('nki,kij->nkj', d, self.cov) * d, -1)

i.e.
D_sq = np.sum(np.einsum('nki,kij->nkj', d, np.linalg.inv(self.cov)) * d, -1)

The text was updated successfully, but these errors were encountered:

Owner

ctgk commented

Thanks for your comment! That is my mistake. I'll fix it.

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