       Re: solve() problem since new ROM update

• To: mathgroup at smc.vnet.net
• Subject: [mg56972] Re: [mg56926] solve() problem since new ROM update
• From: yehuda ben-shimol <bsyehuda at gmail.com>
• Date: Wed, 11 May 2005 05:25:08 -0400 (EDT)
• References: <200505100742.DAA08361@smc.vnet.net>
• Reply-to: yehuda ben-shimol <bsyehuda at gmail.com>
• Sender: owner-wri-mathgroup at wolfram.com

```I see here a syntax problem.
1. Function name should be "Solve" rather then "SOLVE"
2. use squar brackets for functions, tather then ()
3. use == to denote "equal" and not =
So, after these corrections
Solve[x^4-1==3,x]
returns
{{x -> -Sqrt}, {x -> (-I)*Sqrt},
{x -> I*Sqrt}, {x -> Sqrt}}
yehuda

On 5/10/05, Mike <jenningsmca_REMOVETHIS at hotmail.com> wrote:
> 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
>
>

```

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