On Monday, April 16, 2018 at 3:21:35 PM UTC+2, Dorian Sabaz wrote:
>
> *sage:* p.factor(dontfactor=[k])
>
> 1/2*(pi*n + k*t)/k # bad (factors k still:
> dontfactor not recognized for k), 1/2 factored as should be.
>
> *sage:* p.factor(k)
>
> 1/2*(pi*n + k*t)/k
I’ve simplified, as much as I can, the problem to the following example,
consider:
*sage:* var(‘n, k, t’)
(n, k, t) # good
*sage:* p=1/2*(n*pi/k + t)
*sage:* p
1/2*pi*n/k + 1/2*t # acceptable expansion but not
perfect: should be
This is discussed in https://trac.sagemath.org/ticket/16993
On Sunday, April 15, 2018 at 9:39:36 PM UTC+2, dhr wrote:
>
> Hi
>
> Reduction of rational functions seems not to work in specific cases.
> In the following output,
>
> ===
> sage: R.=QQ[]
> sage: (2*t+2)/(2*t)
> (2*t + 2
On 16 April 2018 at 00:06, Nils Bruin wrote:
> On Sunday, April 15, 2018 at 3:53:08 PM UTC-7, Dima Pasechnik wrote:
>>
>>
>> It would be nice to have better simplification rules for QQ (and more
>>> generally fraction fields).
>>>
>>
>> I suppose it's only OK to have as an option, as in general c
in multivariate case things like GCD are certainly very expensive.
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To post
Mon 2018-04-16 07:52:38 UTC, Erik Bray:
>
> On Sat, Apr 14, 2018 at 11:29 AM, Thierry
> wrote:
> > Hi,
> >
> > On Fri, Apr 13, 2018 at 03:02:24PM +0200, Erik Bray wrote:
> > [...]
> >> There was an official Debian package for Sage that was mostly working,
> >> but there hasn't been regular-
On Sat, Apr 14, 2018 at 11:29 AM, Thierry
wrote:
> Hi,
>
> On Fri, Apr 13, 2018 at 03:02:24PM +0200, Erik Bray wrote:
> [...]
>> There was an official Debian package for Sage that was mostly working,
>> but there hasn't been regular-enough maintenance on it to keep it
>> working, something some of
