Re: [sage-devel] trouble installing graphviz on combinat

2013-07-07 Thread anne1 . schilling
> I just did "apt-get install graphviz graphviz-doc", so graphviz is now > installed system-wide. This may make it so you don't have to build it > from source. > Fantastic! Thank you very much! Anne -- You received this message because you are subscribed to the Google Groups "sage-devel

[sage-devel] Re: Inheritance from Parent and QuotientRing_nc leads to a TypeError

2013-07-07 Thread Travis Scrimshaw
Hey, I think we would need a dedicated sage days to removing ParentWithGens and +1 to having it. Best, Travis On Saturday, July 6, 2013 3:05:09 PM UTC+5:30, mmarco wrote: > > Maybe we should make a plan to move old code from ParentWithGens to > Parent? A sage days dedicated to this would be

Re: [sage-devel] UTF-8 and old terminals (new startup banner)

2013-07-07 Thread Ivan Andrus
+1 to a UTF-8 banner. FWIW, Terminal.app and iTerm2.app (on OS X) also work. -Ivan On Jul 7, 2013, at 8:05 PM, Volker Braun wrote: > Frédéric Chapoton has written a patch at http://trac.sagemath.org/14733 that > will beautify the Sage startup banner using some UTF-8 characters to draw the

[sage-devel] UTF-8 and old terminals (new startup banner)

2013-07-07 Thread Volker Braun
Frédéric Chapoton has written a patch at http://trac.sagemath.org/14733 that will beautify the Sage startup banner using some UTF-8 characters to draw the box. This will display incorrectly in terminals that do not support UTF-8. In that case, Sage still works but the box around the banner is g

Re: [sage-devel] Re: Categories, axioms, C3, and startup time

2013-07-07 Thread Nicolas M. Thiery
On Wed, Jul 03, 2013 at 02:06:33PM +, Simon King wrote: > I found: Thanks for investigating! > - when number_field.all does > `from totallyreal import enumerate_totallyreal_fields_prim` > in line 16, then a univariate polynomial ring is created. > - sage.rings.qqbar creates QQ['x'] in lin

[sage-devel] Error installing package matplotlib-1.2.1

2013-07-07 Thread Paul Mercat
Hello ! As it's recommanded, I give here the error I get when I try to compile sage 5.10 on my MacBook pro : --- gcc -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/Applications/sage-5.10/local/include -I/Applications/s

[sage-devel] Re: parallel for loop with minimal forking

2013-07-07 Thread Nils Bruin
On Sunday, July 7, 2013 9:20:11 AM UTC+2, Maarten Derickx wrote: > > This indeed seems like a good addition. I'm not aware yet of a place in > sage where something like this is done. > > I would chose a different name though, something like "bundled_parallel", > because naming this one unordere

[sage-devel] Re: SageManifolds: differential geometry and tensor calculus in Sage

2013-07-07 Thread Joris Vankerschaver
This is a very nice package! Are you aware of #9439 (hyperbolic geometry) and #10132 (surfaces embedded > in R^3) which are somewhat related? > > As for #10132, I can see the functionality of that patch being subsumed into this package, once the extrinsic manifold geometry has been implemented

[sage-devel] Re: SageManifolds: differential geometry and tensor calculus in Sage

2013-07-07 Thread vdelecroix
Hi, Cool! It looks nice. How do you intend to define a manifold: numerically (via fine triangulations) or via symbolic expressions? Both? Are you aware of #9439 (hyperbolic geometry) and #10132 (surfaces embedded in R^3) which are somewhat related? Best, Vincent -- You received this message

[sage-devel] SageManifolds: differential geometry and tensor calculus in Sage

2013-07-07 Thread Eric Gourgoulhon
Hi, Michal Bejger and I have started a project regarding differential geometry in Sage. At present, differential geometry in Sage is limited to the class DifferentialForm created by Joris Vankerschaver. The project SageManifolds extends it in at least two directions: - general tensors (and not

[sage-devel] Re: parallel for loop with minimal forking

2013-07-07 Thread Maarten Derickx
This indeed seems like a good addition. I'm not aware yet of a place in sage where something like this is done. I would chose a different name though, something like "bundled_parallel", because naming this one unordered seems to indirectly imply that the other one is ordered, which it is absolu