Caiyun Wu
Abstract
Based on the relationship between the quadratic form and the matrices, the necessary and sufficient conditions for decision of the positive definite square matrix is given. A simple Way on teh decision of the positive definite real quadratic form is obtained.
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Based on the relationship between the quadratic form and the matrices, the necessary and sufficient conditions for decision of the positive definite square matrix is given. A simple Way on teh decision of the positive definite real quadratic form is obtained.
Key concepts: Positive-definite matrix, Definite quadratic form, Square (algebra), Square matrix, Mathematics, Quadratic equation, Matrix (chemical analysis), Quadratic form (statistics)