Table 2.

ID (via Algorithm II) of the 4,096 × 4,096 matrix A defined in formula 25

k	l	σk+1	δdirect	δ	tdirect	t	tdirect/t
8	16	0.100E-15	0.359E-14	0.249E-14	0.31E1	0.27E1	1.1
56	64	0.100E-15	0.423E-14	0.369E-14	0.18E2	0.31E1	5.6
248	256	0.100E-15	0.309E-14	0.147E-13	0.77E2	0.70E1	11
1,016	1,024	0.100E-15	0.407E-14	0.571E-13	0.32E3	0.11E3	2.8