On Tue, Sep 16, 2014 at 7:07 AM, Jakob Kroeker
wrote:
> Hello,
>
>
> I'm running several patchbots. Sometimes I get
>
> Failing tests in your install: TestsFailed. Continue anyways? [y/N]
>
> 1. I find that this question should not be asked and the default should be
> 'No'
>
Agreed.
> 2. If th
After a lot of time spent thinking about that, I found the following
page :
http://www.sagemath.org/doc/reference/combinat/sage/combinat/subsets_pairwise.html
I thus created a new file subsets_hereditary just near with the function in
it :-P
It is all on #16994, which needs a review:
http://
On Tue, Sep 16, 2014 at 8:14 AM, Volker Braun wrote:
> On Tuesday, September 16, 2014 4:08:27 PM UTC+1, kcrisman wrote:
>>
>> For those looking for a laugh, check out http://clochure.org/ . I have to
>> admit, their list of reasons to use it is short, but somehow makes sense
>> when they say it.
On Tuesday, September 16, 2014 4:08:27 PM UTC+1, kcrisman wrote:
> For those looking for a laugh, check out http://clochure.org/ . I have
> to admit, their list of reasons to use it is short, but somehow makes sense
> when they say it. Not that brackets should replace parentheses everywhere
>
>
> But the fact remains that Lisp is quite an obscure languge.
>>>
>> I'm not sure what you mean by obscure --- I'll assume that you are just
>> observing that
>> most programmers are unfamiliar with it. They are instead familiar with
>> C, Java, Basic, (see the tiobe survey).
>>
>
> I wrote a
>
> Thanks for the link! This is quite instructive.
>
>
Indeed. Perhaps we should point this out in our documentation for `abs`.
> Le mardi 16 septembre 2014 11:41:42 UTC+2, Peter Bruin a écrit :
>>
>> PS: the following message from the Maxima mailing list (found via a
>> different sqrt-rel
Hello,
I'm running several patchbots. Sometimes I get
Failing tests in your install: TestsFailed. Continue anyways? [y/N]
1. I find that this question should not be asked and the default should be
'No'
2. If the patchbot says 'Failing tests in your install..', which branch is
meant? '
('
Thanks for the link! This is quite instructive.
Eric.
Le mardi 16 septembre 2014 11:41:42 UTC+2, Peter Bruin a écrit :
>
> PS: the following message from the Maxima mailing list (found via a
> different sqrt-related report in the Maxima bug tracker) is quite
> useful:
>
> https://www.ma.utexa
PS: the following message from the Maxima mailing list (found via a
different sqrt-related report in the Maxima bug tracker) is quite
useful:
https://www.ma.utexas.edu/pipermail/maxima/2011/025213.html
>From that page:
* abs is a mathematical function which has simplification rules. It
assumes
Hello,
> PS: in the above code, I've simply cut and paste lines from
> Expression._maxima_(). In the present case, the super is not necessary
> and the code can be simplified to
>
> In Sage 6.2:
>
> sage: from sage.calculus.calculus import maxima
> sage: abs(1/sqrt(x))._interface_(maxima)
> 1/sqr
PS2 : so Karl-Dieter Crisman was right: the change in behavior is due to
the introduction of unique names for Sage variables in the interface.
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PS: in the above code, I've simply cut and paste lines from
Expression._maxima_(). In the present case, the super is not necessary and
the code can be simplified to
In Sage 6.2:
sage: from sage.calculus.calculus import maxima
sage: abs(1/sqrt(x))._interface_(maxima)
1/sqrt(x)
while in Sage 6.
Hi,
Le mardi 16 septembre 2014 09:30:23 UTC+2, Peter Bruin a écrit :
>
>
> This is probably due to Maxima. The following happens with and without
> the "domain: complex" setting:
>
> Maxima 5.34.0 http://maxima.sourceforge.net
> using Lisp ECL 12.12.1
> Distributed under the GNU Public Licens
Hello,
> I've noticed the following change in simplifications between Sage 6.3 and
> preceeding versions:
>
> In Sage 6.2 (and preceeding):
>
> sage: simplify( abs(sqrt(x)) )
> sqrt(x)
> sage: simplify( abs(1/sqrt(x)) )
> 1/sqrt(x)
> while in Sage 6.3:
>
> sage: simplify( abs(sqrt(x)) )
> sqrt(
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