Hamm/add20
20-bit adder, from Steve Hamm (Motorola) hamm@austoto.sps.mot.com
| Name | add20 | 
| Group | Hamm | 
| Matrix ID | 539 | 
| Num Rows | 2,395 | 
| Num Cols | 2,395 | 
| Nonzeros | 13,151 | 
| Pattern Entries | 17,319 | 
| Kind | Circuit Simulation Problem | 
| Symmetric | No | 
| Date | 1991 | 
| Author | S. Hamm | 
| Editor | T. Davis | 
 
 
| Structural Rank | 2,395 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 4,168 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 52.7% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 7.221442e-01 | 
| Minimum Singular Value | 5.994340e-05 | 
| Condition Number | 1.204710e+04 | 
| Rank | 2,395 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |