Re: solve() problem since new ROM update
- To: mathgroup at smc.vnet.net
- Subject: [mg56949] Re: [mg56926] solve() problem since new ROM update
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Wed, 11 May 2005 05:24:04 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
Solve[x^4-1==3,x]
{{x -> -Sqrt[2]}, {x -> (-I)*Sqrt[2]}, {x -> I*Sqrt[2]}, {x -> Sqrt[2]}}
Select[%, FreeQ[#,Complex]&]
{{x -> -Sqrt[2]}, {x -> Sqrt[2]}}
Bob Hanlon
>
> From: Mike <jenningsmca_REMOVETHIS at hotmail.com>
To: mathgroup at smc.vnet.net
> Date: 2005/05/10 Tue AM 03:42:41 EDT
> Subject: [mg56949] [mg56926] solve() problem since new ROM update
>
> I have tried multiple problems (simple ones albiet) to solve while in
> ALG mode.
> SOLVE(x^4 - 1 = 3, x)
> but this provides no result. Just returns the question with no answer.
> The answer should be x = -Sqrt(2) or x = sqrt(2).
>
> The example works in RPN, but I use both environments depending what I
> am doing. It worked before the upgrade.
> Am I missing something here!
>
> - Mike
>
>
Bob Hanlon
Chantilly, VA