An Improved Computationally Efficient Method for Finding the Drazin Inverse

Table 1

A comparison on the calculational burdensome of various methods applying different indices.

Methods	(5)	(8)	(9)	(10)	(11)	(16)
	2	3	3	4	9	6
	2	3	4	4	9	10
IIEI
CEI