Um/offshore
3D FEM, transient electric field diffusion. Evan Um, Stanford
| Name | offshore | 
| Group | Um | 
| Matrix ID | 2283 | 
| Num Rows | 259,789 | 
| Num Cols | 259,789 | 
| Nonzeros | 4,242,673 | 
| Pattern Entries | 4,242,673 | 
| Kind | Electromagnetics Problem | 
| Symmetric | Yes | 
| Date | 2010 | 
| Author | E. Um | 
| Editor | T. Davis | 
 
 
| Structural Rank | 259,789 | 
| 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 | 
This is a finite-element system matrix deriving from the 3D transient
electric field diffusion equation. The matrix results from the       
discretization of offshore conductivity structures using tetrahedral 
elements.  Evan Um, Geophysics, Stanford. |