1) semipositive subdefinite (positive subdefinite) matrix
亚半正定(亚正定)阵
2) semipositive subdefinite matrix
亚半正定阵
1.
The equal condition of semipositive subdefinite matrix and the necessary and sufficient conditions for the solvability of problem I are obtained,the expression of the general solution of problem I is also given.
亚半正定阵的等价条件与亚半正定阵的左、右特征值问题有解的充要条件 ,并在有解时给出解的通
3) Complex metapositive semi-definite matrices
复亚半正定阵
1.
Complex metapositive semi-definite matrices is the expandence of the semi-definite Hermite matrices.
复亚半正定阵是半正定的Hermite矩阵的推广。
5) complex metapositive semidefinite matrix
复亚半正定矩阵
1.
The concept of complex metapositive semidefinite matrix is given, its properties and determinant theories are discussed, and then the Schur theorem, Hua Luo-geng theorem, Minkowski inequality, Protruding property inequality and Ostrowski-Taussky inequality of Hermite matrices are generalized to more extensive compound matrix genus.
给出了复亚半正定矩阵的概念,研究了它的基本性质及行列式理论,将Hermite阵的Schur定理华罗庚定理Minkowski不等式凸性不等式Ostrowski-Taussky不等式推广到了较广泛的复矩阵类,扩大了Minkowski不等式的指数范围,削弱了华罗庚不等式的条件。
6) skewpositiove semidefinite matrix
斜亚半正定矩阵
补充资料：取正定平
| 取正定平 用望筒观测日、星，从而在具体地段上确定兴建的建筑方位，然后在地基四角“立表”（标尺），以水找平的方法。中国至迟在春秋战国时已采用此法。宋《营造法式》有“立基”一条，规定立一个高五材的矮墩台，这是记有房屋方位和标高的坐标点，以此坐标点为准，抄平各柱础，即可立柱、上梁、建房。福建民间建木结构房仍采用此方法。 |
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参考词条