Constructing a High-Order Globally Convergent Iterative Method for Calculating the Matrix Sign Function

Table 2

Comparison of the elapsed (CPU) times for Experiment 1.

Matrix No.	NM	ANM	HM	PM1
	0.148498	0.0230943	0.00861964	0.0102797
	0.0943384	0.109786	0.0727258	0.0392688
	0.232303	0.506882	0.189903	0.137378
	0.330597	0.709762	0.280812	0.21293
	0.657373	1.44232	0.555998	0.458002
	1.29408	2.56028	1.13594	0.801164
	1.60244	2.90168	1.36108	1.53705
	2.06766	3.83108	1.84136	1.8719
	2.6057	5.23433	2.41827	2.14952
	4.38739	9.09064	4.03174	3.20028
	4.89925	10.7225	4.83132	3.62766
	7.07534	14.5142	7.22801	4.66437
	9.72633	19.8393	8.51814	6.87333
	9.34249	21.6787	8.03064	7.05715
	13.9398	31.1319	11.5503	8.65203
	16.7687	39.0702	14.9441	10.4224
	19.9251	45.4667	18.0246	18.9427
	24.1888	52.8144	20.6969	19.2772
	28.187	58.5243	24.4635	17.3038
	34.3487	82.3412	29.5465	26.1742
Mean	9.09109	20.1257	7.98652	6.67063