I know the definition of semi-positive, positive, semi-negative, and negative definite, but what is the definition of a strictly negative definite matrix?
2026-03-29 06:55:13.1774767313
What is the definition of a strictly negative definite matrix?
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I can't imagine that "strictly negative definite" means anything other than negative definite. It's just a clarification to make it absolutely clear that it is not semi-definite.