Question about Hold
- To: mathgroup at smc.vnet.net
- Subject: [mg48808] Question about Hold
- From: Daohua Song <ds2081 at columbia.edu>
- Date: Thu, 17 Jun 2004 04:07:19 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Hi,evryone,
I define a commute relation for quantum operators,i fact i learn this
from the forum.Here is the problem.
Commute[A,B]=C.
Commute[A^2,B], i try to use Hold[A*A] instead of A^2, then mathematica
even won't evaluate it.!
Any suggestion to work on the power commutation?
Thanks
Daohua