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2 votes
1 answer
108 views

Getting error Solve::units [closed]

I'm trying to solve the following formula for i, given values for all other variables. There are two equations, the first one is a formula to show the transit ...
Nickpick's user avatar
  • 223
7 votes
1 answer
562 views

Can NDSolve address spherical gravitational collapse?

As far as I know spherical gravitational collapse -of central importance to theoretical physics- is thought to be out of the scope of Wolfram Mathematica. However there are cases, as in this article,...
user avatar
7 votes
2 answers
653 views

Solving the path of Earth around Sun

This maybe isn't a universally helpful question. Maybe a little of a code dump. But here goes. I'm trying to solve the path Earth moves around Sun from Earths mass, Suns mass, Earths initial velocity ...
user's user avatar
  • 1,897