摘要
给出了不定二次型的判定定理,并指出n元不定二次型按等价关系分为n(n-1)/2.
The theorem used to judge indefinite quadratic form is given,and it is point that n-ary indefinite quadratic form can be divided into kinds by equivalent relation.
出处
《聊城大学学报（自然科学版）》
2007年第2期27-28,42,共3页
Journal of Liaocheng University:Natural Science Edition
关键词
不定二次型
判定
等价
分类
indefinite quadratic form ,judgement ,equivalence ,classification
