I found this useful site where you can search for equations.
Welcome to the forum.
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
Hi lightningbolt ... nice domain name.
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman