KASH3 Ref - IsNegativeDefinite

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| ### Function IsNegativeDefinite ( elt-alg^mat X ) -> elt-alg^boo ### Description True iff the symmetric matrix X over Z or Q is negative definite. ### Examples x_ma := MatrixAlgebra(Q,3);; x_one := One(x_ma); IsNegativeDefinite(x_one); IsNegativeDefinite(-x_one);
| Built: Mon Nov 14 21:12:39 UTC 2005 on mack