orthoptic curve

См. также в других словарях:

• Orthoptic — Orthopic may refer to: Orthoptic, the set of points for which two tangents of a given curve meet at a right angle, a type of isoptic. A form of eye exercise designed to correct vision Orthoptics, the diagnosis and treatment of defective eye… …   Wikipedia

• Isoptic — In the geometry of curves, an isoptic is the set of points for which two tangents of a given curve meet at a given angle. The orthoptic is the isoptic whose given angle is a right angle. Without an invertible Gauss map, an explicit general form… …   Wikipedia

• List of curves — This is a list of curves, by Wikipedia page. See also list of curve topics, list of surfaces, Riemann surface. Algebraic curves*Cubic plane curve *Quartic plane curve *Quintic plane curve *Sextic plane curveRational curves*Ampersand curve… …   Wikipedia

• Director circle — An ellipse, its minimum bounding box, and its director circle. In geometry, the director circle of an ellipse or hyperbola (also called the orthoptic circle or Fermat–Apollonius circle) is a circle formed by the points where two perpendicular… …   Wikipedia