| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hessian singular | 1.94 | 0.5 | 2649 | 10 | 16 |
| hessian | 0.51 | 0.5 | 4297 | 44 | 7 |
| singular | 0.4 | 0.8 | 7624 | 48 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hessian singular | 1.43 | 1 | 57 | 68 |
| hessian matrix is singular | 1.76 | 0.1 | 1877 | 31 |
| the approximate hessian is singular | 0.85 | 0.2 | 7548 | 90 |
