Positive-definite matrix - Wikipedia, the free encyclopedia

Positive-definite matrix - Wikipedia, the free encyclopedia

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日期:2024-08-08
In linear algebra, a symmetric n × n real matrix M is said to be positive definite if z T Mz is positive for every non-zero column vector z of n real numbers. Here z T denotes the transpose of z. More generally, an n × n ......看更多