RE: Is mathematica able to transform formula
- To: mathgroup at smc.vnet.net
- Subject: [mg71884] RE: [mg71864] Is mathematica able to transform formula
- From: "Mark Harder" <harderm at onid.orst.edu>
- Date: Sat, 2 Dec 2006 05:11:04 -0500 (EST)
In[1]:=
Clear[a, b, c, f]
Eliminate[{f == a*b + 5 && c == a*b}, {a, b}]
Out[1]:=
-5 + f == c
Or, if you prefer:
In[2]:=
Clear[a, b, c, f]
Solve[{f == a*b + 5 && c == a*b}, f, {a, b}]
Out[2]:=
{{f -> 5 + c}}
Mark Harder
> -----Original Message-----
> From: ajikoe at gmail.com [mailto:ajikoe at gmail.com]
> Sent: Friday, December 01, 2006 3:22 AM
> To: mathgroup at smc.vnet.net
> Subject: [mg71864] Is mathematica able to transform formula
>
> Hello,
>
> I have a question:
> if I have a symbolic expression:
> f = a * b + 5
> c = a * b
>
> Can Mathematica builds f = c + 5 for me ?
>
>
> Sincerely Yours,
> pujo
>