摘要
给出了二次型在某种条件下正定、负定性判别定理及推论,从而推广了二次型的正定性.
In the paper, we give the determination theorems and inferences of the positive and negative definite of quadratic form in some conditions, and thus extend the positive definite nature of quadratic form.
出处
《辽宁大学学报（自然科学版）》
CAS
2000年第1期42-45,共4页
Journal of Liaoning University：Natural Sciences Edition
关键词
半正定矩阵
二次型
条件正定
条件负定
half positive definite matrix, quadratic form, conditional positive definite, conditional negative definite.
