摘要
讨论Ｄ－正定阵和Ｓ－正定阵的性质、结构及相互关系，证明了Ｄ－正定阵就是与Ｉ－正定阵对角相似的矩阵，Ｓ一正定阵就是与Ｄ－正定阵正交相似的矩阵，并在这些矩阵类中讨论了线性方程组的反问题。
In the present paper,properties of stability matrices and some classes of generalized positive definite matrioes are discussed.Some extensions of the known results are obtained.The relationship between these matrices are also studied.
出处
《暨南大学学报（自然科学与医学版）》
CAS
CSCD
1994年第3期6-12,共7页
Journal of Jinan University(Natural Science & Medicine Edition)
关键词
正定矩阵
稳定矩阵
P-矩阵
positive definite matrix
stability matrix
P一matrix
