[sage-devel] Re: a small special purpose class for tensor products of symmetric functions

2019-04-09 Thread 'Martin R' via sage-devel
Thank You! However, i have already trouble initializing an element. The snippet above raises an error! Martin -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to

[sage-devel] Re: Flag all doctests in a file as optional

2019-04-09 Thread Travis Scrimshaw
Hi Brent, IIRC, there is no such feature currently available. I believe there is an argument against this as some tests could be marked as usual Sage and should be run normally without the optional package installed. Although I am +1 for having such a feature as in the "typical" case, an

Re: [sage-devel] Black hole image computed with Sage

2019-04-09 Thread Travis Scrimshaw
> Very cool! Thank you for pointing it out. > > +1 > On Tue, Apr 9, 2019 at 11:22 AM Eric Gourgoulhon > wrote: > > > > Hi All, > > > > As you may have heard in the news, the Event Horizon Telescope > collaboration will release tomorrow the very first observed image of the > close

[sage-devel] Re: a small special purpose class for tensor products of symmetric functions

2019-04-09 Thread Travis Scrimshaw
On Tuesday, April 9, 2019 at 2:34:38 PM UTC+10, Martin R wrote: > > Dear Travis! > > Thank you for the hint! I got a bit further, but I'm still stuck. Here > is a minimal non-working example. > > I suspect that the problem is my not understanding of the hint in >

Re: [sage-devel] Re: Characteristic classes on manifolds

2019-04-09 Thread Travis Scrimshaw
Hi Michael, Yep, basically, and then answer anything the reviewer(s) come up with. Best, Travis On Tuesday, April 9, 2019 at 1:14:13 AM UTC+10, Michael Jung wrote: > > Hello, > > I changed the status to "needs_review" since the doctests are now > complete. :) > > What are the next steps?

Re: [sage-devel] matrix equality and assumptions

2019-04-09 Thread Bill Page
Thanks. On Tue, Apr 9, 2019 at 10:41 AM Jeroen Demeyer wrote: > > On 2019-04-09 16:29, Bill Page wrote: > > Is this a known problem? > > Now it is: https://trac.sagemath.org/ticket/27629 > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. >

Re: [sage-devel] matrix equality and assumptions

2019-04-09 Thread Jeroen Demeyer
On 2019-04-09 16:29, Bill Page wrote: Is this a known problem? Now it is: https://trac.sagemath.org/ticket/27629 -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email

[sage-devel] matrix equality and assumptions

2019-04-09 Thread Bill Page
Is this a known problem? -- sage: sage.version.version '8.6' sage: assume(x,'real') sage: assumptions() [x is real] sage: e1=matrix([[0,-x],[x,0]]); e1 [ 0 -x] [ x 0] sage: e2=transpose(e1);e2 [ 0 x] [-x 0] sage: e1==e2 True sage: e1-e2 [ 0 -2*x] [ 2*x0] sage: e1-e2==0 True -- sage:

Re: [sage-devel] Black hole image computed with Sage

2019-04-09 Thread Michael Orlitzky
On 4/9/19 5:22 AM, Eric Gourgoulhon wrote: > Hi All, > > As you may have heard in the news, the Event Horizon Telescope > collaboration will release tomorrow the very first observed image of the > close vicinity of a black hole: >

Re: [sage-devel] Black hole image computed with Sage

2019-04-09 Thread E. Madison Bray
Very cool! Thank you for pointing it out. On Tue, Apr 9, 2019 at 11:22 AM Eric Gourgoulhon wrote: > > Hi All, > > As you may have heard in the news, the Event Horizon Telescope collaboration > will release tomorrow the very first observed image of the close vicinity of > a black hole: >

[sage-devel] Re: Cernay 2019: math software developers workshop: Sage, GAP, ...

2019-04-09 Thread Nicolas M. Thiery
Just a brief heads up: the workshop will be held June 17th-21st. As usual, the premises will be rented Saturday-Saturday, so you are welcome to arrive early, leave late. I will send an official statement soon, once the web page will be up. Cheers, Nicolas On

[sage-devel] Black hole image computed with Sage

2019-04-09 Thread Eric Gourgoulhon
Hi All, As you may have heard in the news, the Event Horizon Telescope collaboration will release tomorrow the very first observed image of the close vicinity of a black hole: https://eventhorizontelescope.org/blog/media-advisory-first-results-event-horizon-telescope-be-presented-april-10th