- Thread starter
- #1
Petrus
Well-known member
- Feb 21, 2013
- 739
Hello MHB,
I am reading about a rule which I got no clue what it's name is on english but I think that you Will understand.
My question is what do they mean with that \(\displaystyle D_g\) and \(\displaystyle D_f\)
Regards,
\(\displaystyle |\pi\rangle\)
I am reading about a rule which I got no clue what it's name is on english but I think that you Will understand.

My question is what do they mean with that \(\displaystyle D_g\) and \(\displaystyle D_f\)
Regards,
\(\displaystyle |\pi\rangle\)