RE: Simplifying constants
- To: mathgroup at smc.vnet.net
- Subject: [mg18523] RE: [mg18489] Simplifying constants
- From: "Ersek, Ted R" <ErsekTR at navair.navy.mil>
- Date: Thu, 8 Jul 1999 22:32:56 -0400
- Sender: owner-wri-mathgroup at wolfram.com
Morten G. Dyndgaard wrote: ----------------------------- I am working with some annoyingly long equations that I want to simplify by including one set of parameters in a constant (or function) A, and another in B and so on. You can easily do: A = b+c+d+e but what I want to do is the reverse: b+c+d+e = A ----------------------------- This should help. In[1]:= expr=a+b+b1+c+c1+d+d1+e; In[2]:= expr/.a+b+c+d+e->A Out[2]= A+b1+c1+d1 Regards, Ted Ersek