Re: Re: Refine, assumptions, domains

• To: mathgroup at smc.vnet.net
• Subject: [mg101751] Re: [mg101715] Re: Refine, assumptions, domains
• From: Andrzej Kozlowski <akozlowski at gmail.com>
• Date: Thu, 16 Jul 2009 08:17:49 -0400 (EDT)
• References: <h3hjkc\$1ue\$1@smc.vnet.net> <h3hqqr\$5l3\$1@smc.vnet.net> <200907151108.HAA16411@smc.vnet.net> <454715FB-1A82-4D01-ACE9-E700A96FCADD@mimuw.edu.pl> <4A5E684A.7090608@cs.berkeley.edu>

```On 15 Jul 2009, at 16:37, Richard Fateman wrote:

> That works, too.
>
> Last time I tried using Reduce it worked only for polynomials, so I
> stopped using it.
> Thanks.

Yes, that was the case before version 5, I think.

Andrzej Kozlowski

> Andrzej Kozlowski wrote:
>> ...
>> It may be just me but I can't understand what you are trying to do
>> at all. If you just want:
>>
>>> a way of finding the solutions of any equation,
>>> say Sin[x]==0 that lie in a particular range
>>
>> then what's wrong with:
>>
>> x /. {ToRules[Reduce[Sin[x] == 0 && 0 < x < 10, x]]}
>>
>> {Pi, 2*Pi, 3*Pi}
>>
> FindInstance also works..
>
> RJF
>

```

• Prev by Date: Standard deviations and Confidence intervals with respect to errors
• Next by Date: Re: inputing nothing in a manipulate box
• Previous by thread: Re: Refine, assumptions, domains
• Next by thread: Re: Re: Refine, assumptions, domains