Ellipse Caustic Curve
For an Ellipse given by
 |  |  | (1) |
 | |  | (2) |
with light source at
, the Caustic is | |  | (3) |
| |  | (4) |
where
 | |  | |
 |  | ||
|  | (5) | |
 | |  | |
|  | (6) | |
 | |  | (7) |
 | |  | |
|  | (8) |
At
, | |  | (9) |
| |  | (10) |
- Analysis Situs
- Analytic Continuation
- Analytic Function
- Analytic Geometry
- Analytic Set
- Anarboricity
- Anchor
- Anchor Ring
- And
- Anderson-Darling Statistic
- Andrews Cube
- Nilpotent Lie Group
- Nilpotent Matrix
- Nim
- Nim-Heap
- Nim-Sum
- Nim-Value
- n-in-a-Row
- Nine-Point Center
- Nine-Point Circle
- Nine-Point Conic
- Nint
- Nint Zeta Function
- Nirenberg's Conjecture
- Niven Number