A Parallel Wavelet-Based Algebraic Multigrid Black-Box Solver and Preconditioner

Table 1

Electromagnetic matrices properties.

Matrix properties	2cubes_sphere	Offshore	dielFilterV2real	Circuit5M_dc
Number of rows	101,492	259,789	1,157,456	3,523,317
Number of columns	101,492	259,789	1,157,456	3,523,317
Nonzeros	1,647,264	4,242,673	48,538,952	14,865,409
Explicit zero entries	0	0	0	4,328,784
Type	Real	Real	Real	Real
Structure	Symmetric	Symmetric	Symmetric	Unsymmetric
Positive definite?	Yes	Yes	No	No