       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:=
Clear[a, b, c, f]
Eliminate[{f == a*b + 5 && c == a*b}, {a, b}]
Out:=
-5 + f == c

Or, if you prefer:

In:=
Clear[a, b, c, f]
Solve[{f == a*b + 5 && c == a*b}, f, {a, b}]
Out:=
{{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
>

```

• Prev by Date: Re: Is mathematica able to transform formula
• Next by Date: Re: Ask Mathematica to sub for a long expression
• Previous by thread: Re: Is mathematica able to transform formula
• Next by thread: Re: Is mathematica able to transform formula