Answer the following questions. (a) What is the implication of a correlation matric not being positive-semidefinite?...

Answer the following questions.
(a) What is the implication of a correlation matric not being positive-semidefinite?
(b) Why are the diagonal elements of a correlation matrix always 1?
(c) Making small changes to a positive-semidefinite matrix with 100 variables will have no effect on the matrix. Explain this statement?

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Colby Messinger answered 1 year ago

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