Since you ask, here is a thread where you have insulted me repeatedly:
http://trac.sagemath.org/ticket/16403
Others might think I have asked for it, but that's a different question,
and we can have that debate too if you want. But if we are going to have
that debate, I would ask that you first send
Yo !
> I find it quite difficult now to follow this thread, I see the answer to
some emails that are not even in the thread...
This is because it was sent to both sage-devel and sage-combinat. After a
while somebody anwers to only one group and mess follows.
> Anyway, I just want to answer to th
I find it quite difficult now to follow this thread, I see the answer to
some emails that are not even in the thread...
Anyway, I just want to answer to this specific sentence of Nathan: "This is
only technical issues, nothing more. But I hate that it takes one year to
see it fixed."
Well, Nathan
>
> I guess this is getting slightly off topic now, so I'll continue in
> private, unless someone objects...
>
For anything related to FindStat, you can write to i...@findstat.org :)
>
> Many thanks,
>
> Martin
>
> --
> You received this message because you are subscribed to the Google Groups
>
> How urgent is it? -- I could try and see if the server explodes if I
> increase the 5 to a 7. That way, you can keep playing there.
>
I'll try with 5 first! The reason I did not notice is that you don't get
to choose if you hit "search for distribution" when looking at an entry in
the st
> Yes! So, if I want to perform such a query, I should send the code
> generating the statistic to you, right?
How urgent is it? -- I could try and see if the server explodes if I
increase the 5 to a 7. That way, you can keep playing there.
--
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> Another question: I would like to search for a statistic (on permutations,
> but the question applies in general) that satisfies addtitional structural
> constraints (eg., it should be invariant under conjugation with the long
> cycle). Is such a search also possible?
The obvious solution is to
Am Dienstag, 27. Mai 2014 20:56:58 UTC+2 schrieb Nathann Cohen:
>
> Hello !!!
>
> > I must say that I'd love to see the findstat search engine as part of
> sage.
>
> I would love it too. Querying the findstat database from within Sage
> is clearly a good thing.
>
But only half of the story.
Hello !!!
> I must say that I'd love to see the findstat search engine as part of sage.
I would love it too. Querying the findstat database from within Sage
is clearly a good thing.
Nathann
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>
> > Besides: is it possible to run a "more exhaustive" FindStat search? If
> I understand correctly, FindStat limits itself to 3 maps, right?
>
> No -- you can change the 3 into a 5 at most. And the at most is just a
> limit to not run for too long, so if you are willing to wait
> overnight
> One use case for statistics which comes to my mind immediately is to
provide
> answers to
Just to make sure : I *NEVER* said that statistics on combinatorial objects
were useless, did I ? My objections are related to the code that is
included in Sage, and how it is written.
>
http://mathoverflo
> Besides: is it possible to run a "more exhaustive" FindStat search? If I
> understand correctly, FindStat limits itself to 3 maps, right?
No -- you can change the 3 into a 5 at most. And the at most is just a
limit to not run for too long, so if you are willing to wait
overnight, we can also d
>
> So if you have some use cases for combinatorial maps, please write about
> it so such cases are also visible.
>
One use case for statistics which comes to my mind immediately is to
provide answers to
http://mathoverflow.net/questions/101265/a-list-of-symmetric-statistics/101670#101670
> You asked how you failed me.
Are you *REALLY* answering to that question ? O_o
> Well, I know for a fact that your behaviour on the list has put off
people from contributing to sage.
Gosh. You are.
> Certainly me, and others who could have contributed indirectly to my
research projects. So th
You asked how you failed me. Well, I know for a fact that your behaviour on
the list has put off people from contributing to sage. Certainly me, and
others who could have contributed indirectly to my research projects. So
that's how you have failed me, since you ask. But that's something I have
tol
Hello !
> Due to the unfortunate absence of professional programmers to write and
review our code
Come on, that is our job.
> and of mature professional mathematicians to establish clear strategic
decisions for sage, we should actually as a research community be welcoming
of diverse (already-cod
>
> Well, a positive review in Sage is just two persons agreeing together.
>
Maybe you nailed exactly where the problem is. The problem might very well
be that the person that ends up agreeing on the ticket review at the end is
the only one that stuck around. I think that is a strong possibility.
I would be happy to review any ticket in this direction.
Paul
Paul-Olivier Dehaye
SNF Professor of Mathematics
University of Zurich
skype: lokami_lokami (preferred)
phone: +41 76 407 57 96
chat: pauloliv...@gmail.com
twitter: podehaye
freenode irc: pdehaye
On Tue, May 27, 2014 at 5:54 PM, Christ
> well, there was a decorator for statistics before the move to gitI have
> code that used it.
sorry, Martin, that we removed it again!
But you see that Nathann keeps arguing it is not useful to people (I
am not going to participate in that discussion -- I want to do math
and I don't kill my
Am Dienstag, 27. Mai 2014 12:10:22 UTC+2 schrieb Viviane Pons:
>
>
>> thanks for the fast reply -- but I need statistics, not maps. I..e, I'd
>> like to have a list of all methods applying to permutations that return a
>> number...
>>
>
> I don't think there is anything like that for statistic
>
>
> thanks for the fast reply -- but I need statistics, not maps. I..e, I'd
> like to have a list of all methods applying to permutations that return a
> number...
>
I don't think there is anything like that for statistics, maybe the sign
that we do need more semantic into Sage?
>
> Is it corr
Hi Nathann,
I have added myself as a reviewer for your ticket. The link you posted
includes a long discussion, which I am unable to read today or tomorrow. I
will review it by Sunday.
Paul
Paul-Olivier Dehaye
SNF Professor of Mathematics
University of Zurich
skype: lokami_lokami (preferred)
phone:
> Sorry Nathann, I don't take orders.
No but you should feel responsible for the mess you add to Sage.
> If you want to open tickets, just do so. I don't think a ticket removing the
> map decorator all together would be positively reviewed right now. If you
> really want to know my time frame,
Sorry Nathann, I don't take orders.
If you want to open tickets, just do so. I don't think a ticket removing
the map decorator all together would be positively reviewed right now. If
you really want to know my time frame, I *intend* to work on this decorator
to make it better this summer. If someo
Yo !
> I agree, something should have been done a year ago.
Cool !
> But If you think it should be removed and not improved, please do it
yourself.
If think that "If this thing, which was debated one year ago, is not to be
fixed SOON, then we should get rid of it". We are already hosting code
w
I agree, something should have been done a year ago. But If you think it
should be removed and not improved, please do it yourself. Please open and
implement a ticket for that, I will review it.
Paul
Paul-Olivier Dehaye
SNF Professor of Mathematics
University of Zurich
skype: lokami_lokami (prefer
>
> Just so you know, I intend to "fix" the decorator at some point to reduce
> whatever impact it could have (I learned a bit a more about decorator while
> at PyCon).
>
Our discussion about this is almost 1 year old. If you do not know how to
clean this code this month, please remove it.
Al
Just so you know, I intend to "fix" the decorator at some point to reduce
whatever impact it could have (I learned a bit a more about decorator while
at PyCon). We could also think of adding more semantic information to make
the usecase for sage more obvious (I really do think there is one).
Also,
> thanks for the fast reply -- but I need statistics, not maps. I..e, I'd like
> to have a list of all methods applying to permutations that return a number...
sorry for not properly reading your request! We had, similar to the
@combinatorial_maps decorator, an @combinatorial_statistic decorator
Hi Christian,
On Mon, May 26, 2014 at 09:08:14AM +0200, Christian Stump wrote:
> Let me add that I was thinking of opening a ticket to remove
> combinatorial maps from Sage again (in the medium time future) simply
> because the negative comments about it were louder (and I am currently
> n
Hi Christian!
thanks for the fast reply -- but I need statistics, not maps. I..e, I'd
like to have a list of all methods applying to permutations that return a
number...
Is it correct that findstat implements more statistics and more maps? Is
it possible to use findstat from within sage?
Ma
> I am in need of browsing through all the statistics on permutations and
> derangements, and wanted to use combinatorial_statistics_in_class, but I
> can't find it anymore...
> What should I be using?
Hi Martin --
sage: from sage.combinat.combinatorial_map import combinatorial_maps_in_class
sa
Hi all!
I am in need of browsing through all the statistics on permutations and
derangements, and wanted to use combinatorial_statistics_in_class, but I
can't find it anymore...
What should I be using?
All the best,
Martin
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Christian Stump writes:
> Hi Martin,
>
>> one patch per class?
>
> that's completely up to you, I guess
>
>> Another question: is it important to keep the number of statistics
>> small? I.e., if a statistic can be constructed via a map, is it better
>> *not* to implement it? (Eg., saliances and
>
> sage -combinat qselect
>
Thanks, I accidentally did sage -qselect instead...
I pushed the changes.
Best, Christian
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On Thu, Jul 5, 2012 at 12:49 PM, Christian Stump
wrote:
>> I just pushed a change to composition.py which breaks your patch.
>
> I rebased the patch and also enabled Mike's patch again. But now, I
> get the following error message after applying the queue, so I don't
> push the changed...
>
> Any
> I just pushed a change to composition.py which breaks your patch.
I rebased the patch and also enabled Mike's patch again. But now, I
get the following error message after applying the queue, so I don't
push the changed...
Any idea (I am using 5.0)?
Hello Christian,
I just pushed a change to composition.py which breaks your patch.
Since you are actively working on this, I decided not to rebase your
patch but instead disabled it. It is a very easy rebase in the import
statements.
Also, I disabled Mike's patch, which depends on yours. Please
Hi Martin,
> one patch per class?
that's completely up to you, I guess
> Another question: is it important to keep the number of statistics
> small? I.e., if a statistic can be constructed via a map, is it better
> *not* to implement it? (Eg., saliances and right-to-left-minima.)
I usually do
Christian Stump writes:
> The decorator is implemented in
> combinatorial_statistics_and_maps_decorator-cs.patch, the concrete
> examples in the one right after. Please don't modify the later
> (concrete_combinatorial_statisics_and_maps_cs.patch) since I am again
> and again changing it.
OK!
>
Hi Martin.
> Eg., for personal enjoyment, I just added decorators to
> number_of_crossings and number_of_nestings in perfect matchings.
> (Christian: it works now, I made a stupid mistake)
good - any comments are welcome.
> I see that there is a patch
> concrete_combinatorial_statisics_and_maps_
Hi there!
I'd like to know whether there is a policy, and if so, what it is, on
adding decorators to combinatorial statistics, and also adding
statistics themselves.
Eg., for personal enjoyment, I just added decorators to
number_of_crossings and number_of_nestings in perfect matchings.
(Christi
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