confocal
Two conics are confocal if they have coincident foci.
Examples
- 1.
-
2.
The family of hyperbolas
x2a2-t-y2t-b2=1, where a2>b2 and the parameter t is between a2 and b2, is confocal.
Title | confocal |
---|---|
Canonical name | Confocal |
Date of creation | 2013-03-22 14:44:58 |
Last modified on | 2013-03-22 14:44:58 |
Owner | Mathprof (13753) |
Last modified by | Mathprof (13753) |
Numerical id | 6 |
Author | Mathprof (13753) |
Entry type | Definition |
Classification | msc 51N20 |