Funnel
The funnel surface is a Regular Surface defined by the Cartesian equation
 | (1) |
 |  |  | (2) |
 | |  | (3) |
 | |  | (4) |
See also Gabriel's Horn, Pseudosphere, Sinclair's Soap Film Problem
References
Gray, A. Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, pp. 325-327, 1993.
- Baker's Dozen
- Baker's Map
- Balanced ANOVA
- Balanced Incomplete Block Design
- B*-Algebra
- Ball
- Ballantine
- Ballieu's Theorem
- Ballot Problem
- Ball Triangle Picking
- Banach Algebra
- Banach Fixed Point Theorem
- Banach-Hausdorff-Tarski Paradox
- Banach Measure
- Banach Space
- Banach-Steinhaus Theorem
- Banach-Tarski Paradox
- Bang's Theorem
- Bankoff Circle
- Banzhaf Power Index
- Barber Paradox
- Barbier's Theorem
- Bare Angle Center
- Bar (Edge)
- Barnes G-Function