drazin例句

Meanwhile, the Drazin inverses of PQ and P - Q are established.
同时, 给出正交投影的积PQ和差P -Q 的Drazin逆的表达式.

In this paper, we investigate the Drazin inverse of a morphism in additive category.
本文研究了加法范畴上态射的Drazin逆.

• #drazin