When composing a ``RingHomomorphism`` and an instance of
``RingHomomorphism_im_gens`` then
the images of the generators are again checked for their validity, see
rings/morphism.pyx:
def _composition_(self, right, homset):
from sage.all import Rings
if homset.homset_category().is_
Oops, forgot to send to the list.
On May 2, 2013, at 8:05 AM, kcrisman wrote:
> Because you have the buildbot, I haven't been checking lately... I may have
> time to try this out next week.
>
> On Thursday, May 2, 2013 8:57:49 AM UTC-4, Jeroen Demeyer wrote:
> I just noticed this when creating
On May 2, 2013, at 8:10 AM, Jeroen Demeyer wrote:
> On 05/02/2013 04:05 PM, kcrisman wrote:
>> Because you have the buildbot, I haven't been checking lately...
>
> I also wasn't really aware of the fact that the Mac App is only built when
> running sage --bdist, so a normal "make ptestlong" does
I have started writing something on using Sage for bioinformatics, although
it isn't very far along. This sounds like a pretty good fit for that.
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Dear William, dear all,
On Thu, May 02, 2013 at 01:27:30PM -0700, William Stein wrote:
> There is a big series of small books about R that Springer publishes:
>
> http://www.springer.com/series/6991?detailsPage=titles
>
> The editorial director of that series at Springer just talked wi
I've been teaching a one-semester course on "Mathematical Computation"
using Sage for a while, w/the slides posted online. (Latest:
www.math.usm.edu/perry/mat305sp13/) The textbook we usually use is a
Python-based textbook, and it doesn't always mesh well with the class. I've
thought a lot abou
I have been considering writing some textbook for a course of
algebraic structures with sage (combining both a theoretical and a
computational approach) for a while.
I don't know if i will have enough time for that, but this could be a
good moment.
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Hi Nils,
On 2013-05-02, Nils Bruin wrote:
> Having the decorators is not particularly damaging. I wouldn't like
> the overhead, but getting rid of them in favour of more efficient
> solutions is an easy transformation.
It is perhaps similar to the situation with @cached_method: It used to
have a
Hello !
> I installed the optional coin spkg, and suddenly I can no longer do
> "sage -br". It fails with this:
Hmmm... If it does, then it is almost sure that you found a bug in Sage !
Nathann
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T
Hi Sage-Developers,
There is a big series of small books about R that Springer publishes:
http://www.springer.com/series/6991?detailsPage=titles
The editorial director of that series at Springer just talked with me
on the phone for a while, and he says these are among "Springers best
selling b
Hi,
I installed the optional coin spkg, and suddenly I can no longer do
"sage -br". It fails with this:
Installing c_lib
scons: `install' is up to date.
Updating Cython code
Compiling sage/numerical/backends/coin_backend.pyx because it changed.
Compiling sage/sat/solvers/cryptominisat/cryp
On 2 May 2013 20:11, kcrisman wrote:
>
>
> On Thursday, May 2, 2013 3:11:26 PM UTC-4, kcrisman wrote:
>>
>>
>>> Or perhaps you were just quoting Monty Python after all and I should
>>> myself ire domum.
>>>
>>
>> Yes, I think so.
>
>
> Sorry, that sounded rude - I meant "yes" to the Monty Python,
On Thursday, May 2, 2013 3:11:26 PM UTC-4, kcrisman wrote:
>
>
> Or perhaps you were just quoting Monty Python after all and I should
>> myself ire domum.
>>
>>
> Yes, I think so.
>
Sorry, that sounded rude - I meant "yes" to the Monty Python, not the ire
domum.
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> Or perhaps you were just quoting Monty Python after all and I should
> myself ire domum.
>
>
Yes, I think so.
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On 2 May 2013 19:41, leif wrote:
> Volker Braun:
>
>> On Thursday, May 2, 2013 6:42:48 PM UTC+1, Nils Bruin wrote:
>>
>> Furthermore, to express a requirement the optative
>> subjunctive mood is probably more appropriate than a future tense.
>>
>>
>> ROMANES EUNT DOMUS
Well it is 41 yea
Volker Braun:
On Thursday, May 2, 2013 6:42:48 PM UTC+1, Nils Bruin wrote:
Furthermore, to express a requirement the optative
subjunctive mood is probably more appropriate than a future tense.
ROMANES EUNT DOMUS
A thousand times, please!
-leif
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Dear Sage developers,
Over the past two years I've been working with several people on bringing
Matroid Theory to Sage. We wanted this to be research-level code that will
remain relevant for a long time, so we decided to have the design mature for a
while before integrating it with Sage. By now
On Thursday, May 2, 2013 2:06:12 PM UTC-4, Volker Braun wrote:
>
> On Thursday, May 2, 2013 6:42:48 PM UTC+1, Nils Bruin wrote:
>
>> Furthermore, to express a requirement the optative
>> subjunctive mood is probably more appropriate than a future tense.
>
>
> ROMANES EUNT DOMUS
>
>
Ils sont fou
On Thursday, May 2, 2013 6:42:48 PM UTC+1, Nils Bruin wrote:
> Furthermore, to express a requirement the optative
> subjunctive mood is probably more appropriate than a future tense.
ROMANES EUNT DOMUS
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On May 2, 8:32 am, Simon King wrote:
> What do people think?
> [ ] @invariant and @mutabor is fine
Having the decorators is not particularly damaging. I wouldn't like
the overhead, but getting rid of them in favour of more efficient
solutions is an easy transformation.
"invariant" has the wrong
>
> No Latin, definitely not :-)
>
> @require_mutable / @require_immutable
>
+1
--Mike
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On Thursday, May 2, 2013 4:32:06 PM UTC+1, Simon King wrote:
> I suggest the name "@invariant" for the first and
> "@mutabor" (this is Latin for "I will be changed") for the second
> decorator.
>
No Latin, definitely not :-)
@require_mutable / @require_immutable
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Hi Travis,
On 2013-05-02, Travis Scrimshaw wrote:
>I don't think so... This would be useful for other mutable things such
> as matrices and simplicial complex rather than explicitly check it in the
> methods themselves.
OK. Thanks to sage.misc.decorators.sage_wraps, it will be easy to
crea
On Thursday, May 2, 2013 10:10:37 AM UTC-4, Jeroen Demeyer wrote:
>
> On 05/02/2013 04:05 PM, kcrisman wrote:
> > Because you have the buildbot, I haven't been checking lately...
>
> I also wasn't really aware of the fact that the Mac App is only built
> when running sage --bdist, so a normal
Hey Simon,
I don't think so... This would be useful for other mutable things such
as matrices and simplicial complex rather than explicitly check it in the
methods themselves.
Best,
Travis
On Thursday, May 2, 2013 9:38:06 AM UTC-4, Simon King wrote:
>
> Hi!
>
> Is there a decorator that wr
On 05/02/2013 04:05 PM, kcrisman wrote:
Because you have the buildbot, I haven't been checking lately...
I also wasn't really aware of the fact that the Mac App is only built
when running sage --bdist, so a normal "make ptestlong" doesn't catch this.
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Sorry, I neglected to mention the ticket where this probably happened.
http://trac.sagemath.org/sage_trac/ticket/10556
On Thursday, May 2, 2013 10:05:42 AM UTC-4, kcrisman wrote:
>
> Because you have the buildbot, I haven't been checking lately... I may
> have time to try this out next week.
>
>
Because you have the buildbot, I haven't been checking lately... I may have
time to try this out next week.
On Thursday, May 2, 2013 8:57:49 AM UTC-4, Jeroen Demeyer wrote:
>
> I just noticed this when creating the Sage 5.9 binaries: the Mac App
> doesn't build anymore on OS X 10.4 (PPC). I pers
Hi!
Is there a decorator that wraps a method so that the method is only executed
after asserting that "self" is mutable? For example, one could easily create
immutable graphs by applying this decorator to the add_vertex, add_edge,
... methods.
Best regards,
Simon
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I just noticed this when creating the Sage 5.9 binaries: the Mac App
doesn't build anymore on OS X 10.4 (PPC). I personally don't care very
much, but maybe other people do. This problem probably dates back to
Sage 5.8 (for unrelated reasons, no binaries of Sage 5.8 were made for
OS X 10.4)
C
Hi,
I wrote this wiki page a while ago, but it is still applicable:
http://wiki.sagemath.org/healpy
Let me know if it works (it did for me) or if you need additional guidance.
By the way, that wiki page i still not listed in the main wiki, since I was
waiting for some review. Maybe Jibran's ca
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