McRae/ecology2
circuitscape: circuit theory applied to animal/gene flow. B. McRae, UCSB
| Name |
ecology2 |
| Group |
McRae |
| Matrix ID |
1883 |
|
Num Rows
|
999,999 |
|
Num Cols
|
999,999 |
|
Nonzeros
|
4,995,991 |
|
Pattern Entries
|
4,995,991 |
|
Kind
|
2D/3D Problem |
|
Symmetric
|
Yes |
|
Date
|
2008 |
|
Author
|
B. McRae |
|
Editor
|
T. Davis |
| Structural Rank |
999,999 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
yes |
|
Type
|
real |
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
Landscape ecology problem, using electrical network theory to model
animal movement an gene flow. The McRae/ecology2 matrix comes from
a 2D, 1000-by-1000 mesh (5 pt stencil). It is a symmetric positive
definite matrix. Source: Brad McRae, National Center for Ecological
Analysis and Synthesis Santa Barbara, CA.
|
