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Results tagged with linear-algebra
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user 358991
A field of mathematics concerned with the study of finite dimensional vector spaces, including matrices and their manipulation, which are important in statistics.
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votes
Is the sum of the diagonal elements of a covariance matrix always equal or larger than the s...
You have been given two good answers. I thought it might be instructive to come at this from a different angle, and suggest how one might realise themselves that the statement is false, by finding a c …
