3 ms·
That equation is rather unnecessary showing off, I don't see it being used later on, and the author doesn't bother trying to explain it. It looks like (going by
by tfgg 12y ago
That equation is rather unnecessary showing off, I don't see it being used later on, and the author doesn't bother trying to explain it. It looks like (going by the GM/r) that it might be the gravitational potential for a mass distribution described by a bunch of spherical harmonics.
- 7952 12y agoYes, especially as one of the key advantages of using a projection is that you don't have to worry about this stuff. You can just work with a Cartesian coordinate system and the results will probably be right.
- johnloeber 12y agoThe equation is barely even showing off: if you decode it, that's just a bunch of algebraic manipulations. There's not even any calculus in there.