matric

The necessary and sufficient conditions of similarity of two idempotent matrices are proved, the idempotency of linear combinations of two idempotent matrices is discussed.

摘要证明了域上两个同阶幂阵相似的充要条件是它们有相同的秩；给出了幂阵的相似标准型；讨论了两个幂阵的线性组合仍是幂阵的充要条件。

The concepts of indecomposable matrices and fully indecomposable matrices over a distributive lattice L are introduced, and some algebraic properties of them are obtained.

引入了分配格上不分解阵与完全不分解阵的概念,并获得了它们的一些代性质.

One kind of inverse eigenvalue problems, whose solutions are required to be normal or diagonalizable matrices, is investigated in quaternionic quantum mechanics.

摘要本文研究了四量子力中一类要求其解是正规或对角化四阵的特征值反问题。

The tripeptide Arginyl-Glycyl-Aspartic acid (RGD) is a common cell recognition site of many adhesive proteins contained in extracellular matrices and in the blood .

RGD三肽（精氨酰-甘氨酰-天冬氨酸）序列是细胞外基质及血液中的多粘附蛋白共有的细胞识别位点。

In the practical applications of highly nonnormal matrices, these theorems may be more useful than their generalized eigenvalue special cases and may provide more descriptive information.

在对高度非正规阵的研究应用中，这些定理将比它们的特例-广义特征值定理更靠，能提供更多的信息。