| 引用本文: | 袁晖坪,罗长青,刁善会.关于拟次正定矩阵(J/M/D/N,J:杂志，M：书，D：论文，N：报纸).期刊名称,2001，（3）： |
| CHEN X. Adap tive slidingmode contr ol for discrete2ti me multi2inputmulti2 out put systems[ J ]. Aut omatica, 2006, 42(6): 4272-435 |
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| 摘要: |
| 提出了拟次正定矩阵的概念,研究了它的基本性质,取得了许多新的结果,将实对称正定阵的Schur定理、华罗庚定理、Openheim不等式拓广到了拟次正定阵上,并将各类实次正定矩阵统一了起来. |
| 关键词: 拟次正定矩阵 次亚正定矩阵 次对称次正定矩阵 |
| DOI： |
| 分类号:O151.21 |
| 基金项目:重庆市教委科学基金资助项目. |
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| On Quasi Positive Sub-definite Matrix |
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YUAN Hui-ping ?LUO Chang-qing ?DIAO Shan-hui
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| Abstract: |
| The concept of quasi positive sub-definite matrix is giv en.Its basic properties have been discussed.A lot of new results have been obtai ned.The Schur's theorem of symmetric positive definite matrix,Hua Luo-geng theor em and Openheim inequality are gener |
| Key words: quasi positive subdefinite matrix,metapositive sub-defi nite matrix,sub-summetric positive sub-definite matrix |
