Geometry Analytic and descriptive geometry Concept
Ellipse
Summary
An ellipse is a closed plane curve with two foci. For each point of the curve, the sum of the distances to the two foci is the same constant. A circle is the special case of an ellipse where the two foci are the same point.
Where this leads
7 pages build on this one.
Further reading
- Web https://en.wikipedia.org/wiki/Ellipse, lead section
About this page
| Tag | 0VKCCEXBJ1 |
|---|---|
| URI | m2://0VKCCEXBJ1 |
| Kind | concept |
| Writing | W1 stated |
| MSC | 51N20 |
| Specializes | Conic section |
| Same as |
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What this page needs for W2
- edge instance_of in: at least two examples (0 of 2)
- edge not_instance_of in: at least one non-example (0 of 1)
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What links here
Special cases
Definitions
Used by
- Classification of conics by the discriminant
- Focus of a conic
- Bernstein's theorem on analytic functions
- Dandelin spheres
- Marden's theorem
- Kepler problem
- Poncelet's closure theorem