f109
| 9 |
|---|
However, genuine geometric singularities will exist:
Etc....
..In passing, a fold is a special region of the surface containing linear curvature, negative on the left, positive on the right. Deliberately, these two
f109
| 9 |
|---|
However, genuine geometric singularities will exist:
Etc....
..In passing, a fold is a special region of the surface containing linear curvature, negative on the left, positive on the right. Deliberately, these two