Re: [sage-support] Re: cookies and Sage Notebook

On Feb 11, 2010, at 7:21 PM, Marshall Hampton wrote: Just for the record, this has happened to me quite a bit recently. I use a lot of different sage servers, often running different versions, so I don't usually report this kind of stuff since I think I am something of an extreme case. But mos

Re: [sage-support] Re: Extensions of Function Fields?

On Feb 11, 2010, at 11:36 PM, syd.lavas...@gmail.com wrote: Hi Alex, The only way I know to do so is throw defining polynomial ring over ratinal function field and taking quotient. sage: R. = FiniteField(3)['x'] sage: K = R.fraction_field() sage: print K Fraction Field of Univariate Polynomial

[sage-support] Re: Extensions of Function Fields?

Hi Alex, The only way I know to do so is throw defining polynomial ring over ratinal function field and taking quotient. sage: R. = FiniteField(3)['x'] sage: K = R.fraction_field() sage: print K Fraction Field of Univariate Polynomial Ring in x over Finite Field of size 3 sage: K. = K['T'] sage:

[sage-support] Re: "New Worksheet" opens old work sheet.

On Feb 11, 1:42 pm, Timothy Clemans wrote: > I used to see this problem on sagenb.org > How did you resolve it there? -- 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,

Re: [sage-support] Maybe an error in sage tutorial

Hi, On Fri, Feb 12, 2010 at 2:15 PM, lainme wrote: > So I think the right answer should be z(1)≈0.65 Thank you very much for the bug report. This issue is now tracked at ticket #8245: http://trac.sagemath.org/sage_trac/ticket/8245 -- Regards Minh Van Nguyen -- To post to this group, send

[sage-support] Maybe an error in sage tutorial

In the section, "A Guided Tour"->"Basic Algebra and Calculus"- >"Euler’s Method for Systems of Differential Equations", I found that the answer of the example is z(1)≈0.75, which seems to be wrong. The calculation is sage: t,

[sage-support] Re: cookies and Sage Notebook

Just for the record, this has happened to me quite a bit recently. I use a lot of different sage servers, often running different versions, so I don't usually report this kind of stuff since I think I am something of an extreme case. But most of the servers I use are now running 4.3.2 and I am pr

[sage-support] Re: cookies and Sage Notebook

The "cookies incident" happened to me 4--5 times today in my office and once at home just now. I'm using Safari and running OS X 10.6 on both computers. If I delete all cookies with "sage" in them, all returns to normal, but it's kind of a pain. I haven't tried Jason's "shift/alt+refresh." --

[sage-support] Re: cookies and Sage Notebook

On 02/11/2010 06:03 PM, William Stein wrote: On Thu, Feb 11, 2010 at 1:44 PM, Jason Grout wrote: On 02/10/2010 08:40 AM, Dana Ernst wrote: Why do I keep getting the following message when attempting to log into the Sage Notebook (sagenb.org)? Please enable cookies or dele

Re: [sage-support] Re: cookies and Sage Notebook

On Thu, Feb 11, 2010 at 1:44 PM, Jason Grout wrote: > On 02/10/2010 08:40 AM, Dana Ernst wrote: >> >> Why do I keep getting the following message when attempting to log into >> the Sage Notebook (sagenb.org )? >> >> Please enable cookies or delete all Sage cookies and localhost

[sage-support] Re: Published worksheets

On 02/10/2010 11:27 AM, Dana Ernst wrote: The reason why I am confused is that "Group Theory and SAGE: A Primer" has a last edited date of 121 days ago (which according to Wolfram|Alpha is October 12, 2009; can Sage do that?). Yes, Python can: sage: import datetime sage: datetime.date.today()

[sage-support] Re: cookies and Sage Notebook

On 02/10/2010 08:40 AM, Dana Ernst wrote: Why do I keep getting the following message when attempting to log into the Sage Notebook (sagenb.org )? Please enable cookies or delete all Sage cookies and localhost cookies in your browser and try again. I deleted all of my cookies

[sage-support] Re: understanding functions

On Feb 11, 1:38 pm, Thomas Scofield wrote: > Wow!  28+ hours and no one has addressed this question.  Do I need to   > supply more information?  Have I just simply asked a really dumb   > question? > > Thomas L. Scofield Sadly, as a volunteer operation, sometimes messages get lost in the cracks

[sage-support] Re: understanding functions

On 11 ún, 21:38, "ma...@mendelu.cz" wrote: > btw: The help for numerical_integral says, that there is a function > nintegral (via Maxima), but this funciton is missing in my version of > Sage. Has this functin been marked as obsolete? Oops, I was mistaken, nintegral is a method, not a function.

[sage-support] Re: understanding functions

On 11 ún, 21:36, Nils Bruin wrote: > On Feb 10, 5:38 am, Thomas Scofield wrote: > > > I borrowed/adapted the following code for carrying out a line integral   > > from a published notebook > > >     var('x,y,t') > >     F=vector([x^2,x*y]) > >     r=vector([cos(t), sin(t)]) > >     tstart=0 > >

[sage-support] Re: understanding functions

If you try numerical_integral?? you can see the definition of the function and it is easy to locate the source of the problem - ot r at least, where the problem appears. I have no time to dig out WHY this problem appears, but I think that this is a bug. A workaround is numerical_integral(lambda x:

[sage-support] Re: understanding functions

On Feb 10, 5:38 am, Thomas Scofield wrote: > I borrowed/adapted the following code for carrying out a line integral   > from a published notebook > >     var('x,y,t') >     F=vector([x^2,x*y]) >     r=vector([cos(t), sin(t)]) >     tstart=0 >     tend=2*pi >     integrand = F(x=r[0], y=r[1])*diff(

[sage-support] Re: Runtime error: Unable to start gap (as user "nobody" with xgrid)

Hi, We switched to sage4.3.1 on all the machines, and it gives the same problem. I think it is related to this ticket: http://trac.sagemath.org/sage_trac/ticket/5965 Because, if we login with a local account on the machine, the command: sage: gap(2) 2 Works fine, But if we login with a netwo

Re: [sage-support] Re: "New Worksheet" opens old work sheet.

I used to see this problem on sagenb.org On Thu, Feb 11, 2010 at 10:45 AM, zsharon wrote: > On Feb 11, 12:34 pm, Michael Madison > wrote: >> I had the same problem on both VMWARe and VirtualBox running sage, >> however, I was using Windows XP at the time and  I was using the >> FireFox browser a

[sage-support] Re: "New Worksheet" opens old work sheet.

On Feb 11, 12:34 pm, Michael Madison wrote: > I had the same problem on both VMWARe and VirtualBox running sage, > however, I was using Windows XP at the time and  I was using the > FireFox browser at the time.  I did two things: 1. I emptied the Trash > in Sagenotebook.  It is not clear this  rea

Re: [sage-support] Re: Sage Website CSS

On Feb 11, 2010, at 6:56 AM, Harald Schilly wrote: On Feb 11, 1:24 pm, Joaquim Puig wrote: What type of license does it have? It's a CC type license, see footer of each page. Might be good to put that in the CSS file itself, right now you have /* Created by Harald Schilly (c) 2008; Copyri

[sage-support] [sage support] understanding functions

Wow! 28+ hours and no one has addressed this question. Do I need to supply more information? Have I just simply asked a really dumb question? Thomas L. Scofield Associate Professor Department of Mathematics and Statistics Calvin Co

[sage-support] Re: "New Worksheet" opens old work sheet.

I had the same problem on both VMWARe and VirtualBox running sage, however, I was using Windows XP at the time and I was using the FireFox browser at the time. I did two things: 1. I emptied the Trash in Sagenotebook. It is not clear this really was what fixed the problem, but it did work sever

[sage-support] "New Worksheet" opens old work sheet.

I'm using a notebook through my browser. Problem: Clicking "New Worksheet" opens the most previously opened worksheet rather than making a new one. And, typing "http:// 192.168.32.129/new_worksheet" into the address bar manually still leads to "http://192.168.32.129/home/admin/9/";. This first s

[sage-support] Re: Polynomial printing convention

Hi Zach! On Feb 11, 2:37 pm, zsharon wrote: > This should also work: > > R. = PowerSeriesRing(ZZ) > z+1 > #1+z I am a bit surprised that it works, because I thought that PowerSeriesRing comes with a default precision of 20. So, I thought that any polynomial would be cut off in degree 20. But in

Re: [sage-support] Polynomial printing convention

On Thu, Feb 11, 2010 at 4:45 AM, Simon King wrote: > Hi! > > In Sage, polynomials are usually printed starting with the leading > term: >  sage: R. = ZZ[] >  sage: p = R.random_element() >  sage: p >  4*t^2 + 6*t + 1 > > But there are people who would (at least if the context is formal > power ser

[sage-support] Re: Sage Website CSS

On Feb 11, 1:24 pm, Joaquim Puig wrote: > What type of license does it have? It's a CC type license, see footer of each page. H -- 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 mor

[sage-support] Re: Polynomial printing convention

> How about this: This should also work: R. = PowerSeriesRing(ZZ) z+1 #1+z See http://www.sagemath.org/doc/tutorial/tour_polynomial.html for other examples. Zach -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+

[sage-support] Re: Polynomial printing convention

> > But there are people who would (at least if the context is formal > power series) prefer >   1 + 6*t + 4*t^2 > > Is there a way to switch between these to conventions? > How about this: R. = LaurentSeriesRing(QQ) x^3+x+1 #1 + x + x^3 Zach -- To post to this group, send email to sage-suppor

[sage-support] Polynomial printing convention

Hi! In Sage, polynomials are usually printed starting with the leading term: sage: R. = ZZ[] sage: p = R.random_element() sage: p 4*t^2 + 6*t + 1 But there are people who would (at least if the context is formal power series) prefer 1 + 6*t + 4*t^2 Is there a way to switch between thes

[sage-support] Sage Website CSS

Hi, We are building the website for our install of SAGE at the Faculty of Mathematics and we wanted to use sage CSS style: http://www.sagemath.org/res/sage.css Can we use it? What type of license does it have? Thanks in advance. Best wishes, Joaquim Puig -- Joaquim Puig i Sadurní Departament