Hello,
I am trying to understand the concept of solid geometry(spheres, cubes, polyhedra etc) as a function of their co-ordinates.
for example, the general ellipsoid, is a quadratic surface which is given in Cartesian coordinates by:
(x^2/a^2)+(y^2/b^2)+(z^2/c^2)=1
a,b,c being the semi axis...