Watch the spreads i. e., don't be bullish if inverses are narrowing.

注重多空套做。也就是说，假如逆差正在减小，不要瞧多。

I discuss idempotent, generalized inverses of general sign pattern matrix.

讨论了一般符号模式矩阵的幂等性和广义逆。

It's really important to remember that "e" and "d" are inverses of each other.

真正重要的要记住“d”和“e”是相互的逆反。

Research on matrix generalized inverses is of long standing and tends to be mature.

普通的矩阵广义逆研究由来已久也趋于成熟。

As applications, we also determine the forms of linear maps preserving group inverses.

作为应用又确定了保群逆线性映射形式。

It's easy to tell whether these simpler matrices have banded inverses, and if they do, their combination will, too.

判断这些简单矩阵是否有带状逆阵要更容易，而如果它们有，那他们组合起来也会有。

It s easy to tell whether these simpler matrices have banded inverses, and if they do, their combination will, too.

判断这些简单矩阵是否有带状逆阵要更容易，而如果它们有，那他们组合起来也会有。

So me relationships between the weighted star ordering and the weighted generalized inverses of morphisms are given.

给出了态射集中的加权星序和态射的加权广义逆之间的一些关系。

So engineers are interested in banded matrices with banded inverses, but which matrices those are is by no means obvious.

因此，工程师们才对拥有带状逆阵的带状矩阵感兴趣，然而那些是什么样的矩阵却并非显而易见。

Finally, the application of bounded homogeneous operator space to generalized inverses of operator are given in this paper as well.

最后，我们给出有界齐性算子空间在算子广义逆问题上的应用。

In this thesis, we mainly study problems on weighted generalized inverses, weighted polar decomposition, and partial orderings of matrices.

本文主要研究有关矩阵的加权广义逆，加权极分解和矩阵偏序等方面的问题。

Since the commonly used generalized inverses are of a (2) t, s type, the defining equations and the explicit expressions for these inverses could be obtained.

由于常用的广义逆均是A (2) T, S型的，故容易得出它们的定义方程与显式表示。

By using the weighted generalized inverses of morphisms, the weighted minus ordering and the weighted star ordering of morphism set in a category are introduced and discussed.

利用态射的加权广义逆，引进并讨论态射集中的加权减序和加权星序。

Some basic necessary and sufficient conditions for the existence of various inverses of a row-column-finite infinite matrix a over a field K are proved by compactness arguments.

用紧致性论证给出了任一域k上行列有限的无限方阵a具有各种逆方阵的基本的充分必要条件。

A square real matrix a is called an S2NS matrix, if every matrix with the same sign pattern as a is invertible, and the inverses of all such matrices have the same sign pattern.

一个实方阵a称为是S2NS阵，若所有与A有相同符号模式的矩阵均可逆，且它们的逆矩阵的符号模式都相同。

Recent years, the weighted generalized inverses of matrices become a research hotspot of matrix theory. Many authors made some achievements in this field. We also got some interesting results.

近年来，矩阵的加权广义逆成了矩阵理论研究的热点，许多学者在这个领域做出了一定的成果，我们也得到了一些有意义的结论。