A Higher Order Iterative Method for Computing the Drazin Inverse

Table 4

Comparison of the computational time in solving the linear system resulting of discretization of (51) when 𝑛=2000.

Methods	BiCGSTAB	PBiCGSTAB-(1)-III	PBiCGSTAB-(7)-III	PBiCGSTAB-(8)-II	PBiCGSTAB-(9)-II	PBiCGSTAB-(13)-I
Total time	1.98	0.53	0.60	0.53	0.54	0.46