On Fri, Apr 24, 2009 at 4:37 AM, Minh Nguyen <nguyenmi...@gmail.com> wrote:
> Hi Dylan,
>
> On Fri, Apr 24, 2009 at 4:32 AM, drupel <dylanru...@gmail.com> wrote:
>>
>> Hi all:
>> I am using Sage Version 3.4, Release Date: 2009-03-11. I asked Sage
>> to simplify the following expression:
>> -q^(5/2)*(q^2*x2^4 + q*x2^2) + q^(9/2)*x2^4 + q^(3/2)*(q^2 + 1)
>> *x2^2 + sqrt(q)
>> by calling the simplify command:
>> simplify(-q^(5/2)*(q^2*x2^4 + q*x2^2) + q^(9/2)*x2^4 + q^(3/2)*
>> (q^2 + 1)*x2^2 + sqrt(q))
>> but the output was exactly the same as what I put in. In my code
>> ahead of this I have
>> R=PolynomialRing(ZZ,'q')
>> var('q')
>> Any suggestions would be much appreciated.
>
> Try this:
Should be this
[mv...@sage ~]$ sage
----------------------------------------------------------------------
| Sage Version 3.4.1, Release Date: 2009-04-21 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: q, x2 = var("q, x2")
sage: simplify(expand(-q^(5/2)*(q^2*x2^4 + q*x2^2) + q^(9/2)*x2^4 +
q^(3/2)*(q^2 + 1)*x2^2 + sqrt(q)))
q^(3/2)*x2^2 + sqrt(q)
Sorry about the noise.
--
Regards
Minh Van Nguyen
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