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- Thread starter Silviu
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- #2

gleem

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If two variable are independent we would expect in the limit of large n that the covariance would be 0. If they are dependent the covariance is not limited to 1.

Perhaps you are thinking of the correlation matrix call it Σ where the diagonal elements ∑

Your second function does not have an unique minimum but an infinitely long trough for values x=y.

- #3

mathman

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