1) well generalized positive definite matrix
良广义正定
1.
The definition of the positive hyperstable matrix was given,and the relations among classes of positive definite matrix,metapositive definite matrix, well generalized positive definite matrix,generalized positive definite matrix,positive hyperstable matrix and positive stable matrix were studied.
提出了超正稳定的概念,讨论了实对称正定、亚正定、良广义正定、广义正定、超正稳定及正稳定矩阵类之间的关系,得到了若干确定的结果。
2) generalized Hadamard well-posed
广义Hadamard良定问题
3) generalized positive definiteness
广义正定性
1.
In this paper, using the undetermined-way, we prove that necessary and sufficient conditions for generalized positive definiteness of matrix are obtained under second order matrix and upper (or lower) triangular matrix, we change generalized positive definiteness into positive definiteness of real symmetric matrix.
采用待定法证明了二阶及上 (下 )三角矩阵A∈PD 的充要条件 ,把广义正定性问题转化为实对称矩阵A∈PD 的正定性问题 ,与文 [1]比较降低了证明难度 ,大大简化了证明过程。
4) generalized positive definite matrix
广义正定阵
1.
Some properties about a class of generalized positive definite matrix were gained,Kantorovich inequality and results of paper were extended.
给出了一类广义正定阵的不等式等若干性质,推广了Kantorovich不等式及文[5]的结
5) Generalized complex positive definite
广义复正定
6) generalized positive semidefinite
广义半正定
1.
It is defined for a real (may not symmetric) matrix to be generalized positive semidefinite.
文章给出了实方阵为广义半下定的概念及一些判定条件,并讨论广义半正定实方阵的行列式及子式的性
补充资料:14-羟正定霉素
分子式:C27H29NO11
分子量:580.02
CAS号:25316-40-9
性质:盐酸盐为桔红色针状结晶,熔点204-205℃。溶于水和醇,不溶于丙酮、苯、氯仿、乙醚。
制备方法:由松链丝菌浅灰色变株(Str.Peucetius var.Caesius)的培养液提取而得。本品化学结构与柔红霉素类似,因此可以由柔红霉素化学转化而制得。目前已可化学全合成。
用途:癌症化疗剂、主要用于急、慢性白血病、恶性淋巴瘤。
分子量:580.02
CAS号:25316-40-9
性质:盐酸盐为桔红色针状结晶,熔点204-205℃。溶于水和醇,不溶于丙酮、苯、氯仿、乙醚。
制备方法:由松链丝菌浅灰色变株(Str.Peucetius var.Caesius)的培养液提取而得。本品化学结构与柔红霉素类似,因此可以由柔红霉素化学转化而制得。目前已可化学全合成。
用途:癌症化疗剂、主要用于急、慢性白血病、恶性淋巴瘤。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条