physics

http://www.mymathforum.com/

You are much more likely to get a good answer if you post your question in a more advanced forum.
You could try the one above.

That's ok with that link, but what means "in a more advanced"? This forum is supposed to be the place where one could find the answers of any difficulty level he looks for. There're no such labels as "less advanced" put over here and if the person asks a question he most probably anticipates it to be answered without redirection to another link unless a person who tries to answer is not able to do this.