. Author manuscript; available in PMC: 2020 Sep 15.

Published in final edited form as: Comput Mech. 2019 Feb 6;64:717–739. doi: 10.1007/s00466-019-01678-3

Table 9:

The 1-norm condition number estimates and five maximum and minimum eigenvalues (λ_i) of the preconditioned local matrix ${\tilde{A}}_{f}^{*}$ , ${\tilde{K}}^{*}$ and $H \tilde{K}$ .

${\tilde{A}}_{f}^{*}$ : Condition number=9243
λ_i	1^st	2^nd	3^rd	4^th	5^th
Max	55.15	2.262	2.247	2.247	2.243
Min(×10⁻¹)	0.232	0.358	0.467	0.492	3.99
${\tilde{K}}^{*}$ : Condition number=1862
λ_i	1^st	2^nd	3^rd	4^th	5^th
Max	55.16	2.248	2.247	2.244	2.241
Min	0.217	0.384	0.392	0.396	0.399
$H \tilde{K}$ : Condition number=76
λ_i	1^st	2^nd	3^rd	4^th	5^th
Max	2.248	2.247	2.244	2.241	2.241
Min	0.217	0.384	0.392	0.396	0.399