Quadrics

Math21a, Fall 2007

Ellipsoids

Manipulate[ContourPlot3D[ x^2/a^2+y^2/b^2+z^2/c^2,{x,-1,1},{y,-1,1},{z,-1,1},Mesh->False,
Boxed->False,Axes->False],{a,1,2},{b,1,2},{c,1,2}]

Paraboloids

Manipulate[ContourPlot3D[ x^2+c y^2-z,{x,-1,1},{y,-1,1},{z,-1,1},Mesh->False,
Boxed->False,Axes->False],{c,-0.5,1}]

Hyperboloids

Manipulate[ContourPlot3D[ x^2+c y^2-z^2,{x,-1,1},{y,-1,1},{z,-1,1},Mesh->False,
Boxed->False,Axes->False],{c,-1,1}]

Exceptional

Manipulate[ContourPlot3D[ x^2-c z^2,{x,-1,1},{y,-1,1},{z,-1,1},Mesh->False,
Boxed->False,Axes->False],{c,-1,1}]