[sage-support] Re: Semisimple Lie algebra generators in Sage? (physics edition)

2020-06-01 Thread 'Travis Scrimshaw' via sage-support
ute): sage: L = LieAlgebra(QQ, cartan_type=['A',1], representation="compact real") sage: M = list(L.basis())[-1] sage: M [0 i] [i 0] sage: (M._real, M._imag) ( [0 0] [0 1] [0 0], [1 0] ) Implementing getting the matrix would make a nice improvement to Sage. Best, Travis On Th

[sage-support] Re: Lie algebra morphism, mutable matrices, basis not defined

2020-01-06 Thread Travis Scrimshaw
LieAlgebraWithStructureCoefficients. Best, Travis On Saturday, January 4, 2020 at 1:16:24 AM UTC+10, slelievre wrote: > > Dear sage-support, > > At Sage Days 106 we are trying to learn some of the > Lie algebra functionality in SageMath and have two > small questions regarding Lie

[sage-support] Re: Exterior algebra

2009-04-18 Thread Travis Willse
on, but I'm grateful for those comments anyway.) (Also, hi again, Martin.) Best, Travis On Apr 17, 3:09 am, simon.k...@uni-jena.de wrote: > Hi Travis, > > On 17 Apr., 10:32, Travis Willse wrote: > > > Is there a reasonable way to implement the exterior (alternating) >

[sage-support] Exterior algebra

2009-04-17 Thread Travis Willse
, Travis --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support

[sage-support] Re: Cannot create notebook.log: Permission denied...Broken pipe

2008-05-15 Thread Travis
Wolfgang, Thank you for your suggestion. I gave it a try and unfortunately it did not work in my case. Take care, Travis On May 15, 2:25 am, [EMAIL PROTECTED] wrote: > 2008/5/15 Travis <[EMAIL PROTECTED]>: > > > > > > > William, > > > My machine- &

[sage-support] Re: Cannot create notebook.log: Permission denied...Broken pipe

2008-05-15 Thread Travis
give Sage another look later on. (I might try out sympy in Python now.) Travis On May 14, 10:58 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Wed, May 14, 2008 at 8:49 PM, Travis <[EMAIL PROTECTED]> wrote: > > > William, > > > My machine- > > C

[sage-support] Re: Cannot create notebook.log: Permission denied...Broken pipe

2008-05-14 Thread Travis
t an internet connection is required. Travis On May 14, 10:01 am, "William Stein" <[EMAIL PROTECTED]> wrote: > On Wed, May 14, 2008 at 7:36 AM, Travis <[EMAIL PROTECTED]> wrote: > > > William, > > > I'm impressed that you take the time to answer all t

[sage-support] Re: Cannot create notebook.log: Permission denied...Broken pipe

2008-05-14 Thread Travis
cause this Vmware approach is not working well for me and is taking too much time. Travis On May 13, 11:12 am, "William Stein" <[EMAIL PROTECTED]> wrote: > On Tue, May 13, 2008 at 9:31 AM, Travis <[EMAIL PROTECTED]> wrote: > > > My problem is very similar to Aaron

[sage-support] Cannot create notebook.log: Permission denied...Broken pipe

2008-05-13 Thread Travis
n pipe At this point, it puts me back at the command prompt. What part of the installation instructions am I missing? Thanks, Travis --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send

[sage-support] Loading error

2007-09-28 Thread Travis Willse
When I load sage.vmx, VMware Player opens, and instead of giving a prompt, reports the error, "GRUB loading, please wait... / Error 2," after which I cannot input to the player window. Is there a solution? --~--~-~--~~~---~--~~ To post to this group, send email t