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Change the coefficients of the following equation in order to create a quadric (or quadratic surface):



You get all types of quadrics, including degenerate cases.


Contributed by: Beatriz Miroslava Sandoval Ramos (August 2015)

Open content licensed under CC BY-NC-SA



Snapshot 1: sphere

Snapshot 2: elliptical cone

Snapshot 3: circular cylinder

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