| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| eigenfunction of differential operator | 1.42 | 0.6 | 5928 | 2 | 38 |
| eigenfunction | 1.1 | 0.4 | 2747 | 3 | 13 |
| of | 1.54 | 0.3 | 3229 | 94 | 2 |
| differential | 0.9 | 0.2 | 9067 | 89 | 12 |
| operator | 1.13 | 0.7 | 7396 | 28 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| eigenfunction of differential operator | 0.38 | 0.5 | 3409 | 6 |
