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On the definity of quadratic forms subject to linear constraints |
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| Authors: | H. Väliaho |
| Affiliation: | (1) Department of Mathematics, University of Helsinki, Helsinki, Finland |
| Abstract: | A short proof is given of the necessary and sufficient conditions for the positivity and nonnegativity of a quadratic form subject to linear constraints. |
| Keywords: | Quadratic forms positive-definitive quadratic forms nonnegative definite quadratic forms linear constraints |
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