QLi/majorbasis
MCP; mixed complementarity optimization problem; similar to QLi/crashbasis
Name |
majorbasis |
Group |
QLi |
Matrix ID |
1859 |
Num Rows
|
160,000 |
Num Cols
|
160,000 |
Nonzeros
|
1,750,416 |
Pattern Entries
|
1,750,416 |
Kind
|
Optimization Problem |
Symmetric
|
No |
Date
|
2007 |
Author
|
Q. Li and M. Ferris |
Editor
|
T. Davis |
Structural Rank |
160,000 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
1 |
Strongly Connect Components
|
1 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
55% |
Numeric Symmetry
|
0% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
Download |
MATLAB
Rutherford Boeing
Matrix Market
|
Notes |
QLi/crashbasis and QLi/majorbasis have the same nonzero pattern. However,
UMFPACK 5.1 is much slower for majorbasis than for crashbasis, because of
the extensive number of denormal floating-point values that occur in
majorbasis (they do not occur in crashbasis).
|