We generate the evolute, as the envelope of the normals. Point at parametric location t on the evolute is the center of curvature of the point at parametric location t on the ellipse.
The radius of curvature is the distance between the tangent on the ellipse and the evolute.
Expressions
| Name | Input | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Radius of Curvature |  |
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