There is an [b]overview [/b]of [b]quadrics [/b]on Wikipedia[br][url=https://en.wikipedia.org/wiki/Quadric]https://en.wikipedia.org/wiki/Quadric[/url][br][br][b]Task[/b][br]Use sliders a, b, c and d to create[br]- an ellipsoid[br]- a hyperboloid[br]- a cone[br]- two intersecting planes.
What is the setting für a, b, c and d to obtain an ellipsoid, a hyperboloid, a cone and two intersecting planes?