[sage-support] Re: www.sagenb.org vs alpha.sagenb.org

2009-06-14 Thread Marky Marc
On Jun 14, 5:00 pm, William Stein wrote: > On Sun, Jun 14, 2009 at 8:43 AM, Marky Marc wrote: > > > Hi, > > The two machines listed in the subject line seem to be running > > different versions of sage, viz. "4.0.1" and "4.0.rc0" respectively. > > They are both running sage version 4.0.1.  The

[sage-support] Re: strange behavior

2009-06-14 Thread William Stein
On Mon, Jun 15, 2009 at 6:07 AM, Florian Beutler wrote: > > hello > > flor...@florian-laptop:~/Gadget-2.0.3/Analysis$ sage -v > | SAGE Version 3.0.5, Release Date: 2008-07-11 > > my operation system is ubuntu 9,04 > >> What are the paths below to /usr/lib? > > I don't know what you mean... > regar

[sage-support] Re: strange behavior

2009-06-14 Thread Florian Beutler
hello flor...@florian-laptop:~/Gadget-2.0.3/Analysis$ sage -v | SAGE Version 3.0.5, Release Date: 2008-07-11 my operation system is ubuntu 9,04 > What are the paths below to /usr/lib? I don't know what you mean... regards florian On Jun 14, 10:00 pm, William Stein wrote: > On Sun, Jun 14, 20

[sage-support] Re: strange behavior

2009-06-14 Thread Florian Beutler
hello flor...@florian-laptop:~/Gadget-2.0.3/Analysis$ sage -v | SAGE Version 3.0.5, Release Date: 2008-07-11 my operation system is ubuntu 9,04 > What are the paths below to /usr/lib? I don't know what you mean... regards florian On Jun 14, 10:00 pm, William Stein wrote: > On Sun, Jun 14, 20

[sage-support] Posting in sage-windows

2009-06-14 Thread kilucas
My apologies for posting about the sage-windows group within the sage- support group but I posted 3 messages (two replies and a new topic) into sage-windows a couple of weeks back and they're still not showing up in the message lists. And I wasn't sure how else to ask for help in posting there. I

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread Mike Hansen
On Sun, Jun 14, 2009 at 2:20 PM, David Joyner wrote: > +1 > I like the "as" method > http://home.scarlet.be/be052320/Unum_tutorial.html#_Toc68111424 "as" is going to be a keyword in Python 2.6 so this will actually have to be changed. It makes sense to do it before it's in Sage since it will bre

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread Maurizio
I added some comments to the wiki about Quantities as well. >From the point of view of the code, I can give my impression, but I'm not experienced in programming. Unum looks simple and understandable. Quantities looks more complex, and even finding the right way to look at is difficult for me. An

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread Maurizio
> "as" is going to be a keyword in Python 2.6 so this will actually have > to be changed.  It makes sense to do it before it's in Sage since it > will break code. > Yes, indeed that's even coming out when executing its own test suite: Python is warning that as is a keyword in 2.6. > > Note that

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread David Joyner
On Sun, Jun 14, 2009 at 5:01 PM, William Stein wrote: > > On Sun, Jun 14, 2009 at 6:56 PM, Maurizio wrote: >> ... >> Anyway, I updated the wiki page since I successfully installed Unum in >> SAGE. You can see the (pretty encouraging) results there: >> >> http://wiki.sagemath.org/Unit%20of%20Meas

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread William Stein
On Sun, Jun 14, 2009 at 6:56 PM, Maurizio wrote: > > William, David, thanks for your help. > I am really surprised by how dumb should I have been yesterday. Today > everything looks easy :) > > Anyway, I updated the wiki page since I successfully installed Unum in > SAGE. You can see the (pretty e

[sage-support] Numerical Integration in multiple dimensions

2009-06-14 Thread Pogon
Hi, I need to integrate an expression (two-dimensional fourier spectrum, i.e. containing imaginary parts) over two coordinates from -inf to +inf. I known that there is no analytical integral. Another thing is, that sympy.integrate says for a very simple expression containing imaginary I: sympy.c

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread Maurizio
William, David, thanks for your help. I am really surprised by how dumb should I have been yesterday. Today everything looks easy :) Anyway, I updated the wiki page since I successfully installed Unum in SAGE. You can see the (pretty encouraging) results there: http://wiki.sagemath.org/Unit%20of

[sage-support] Formatting of subscripts

2009-06-14 Thread Paul Sargent
I've made a little worksheet that demonstrates something I've noticed. It seems like sage is very confused as to it's formatting of subscripts that have more than one character. http://www.sagenb.org/home/pub/573/ Can somebody state, should I be using the form 'Z_ij' or 'Z_{ij}' in my variable d

[sage-support] Re: strange behavior

2009-06-14 Thread William Stein
On Sun, Jun 14, 2009 at 6:48 AM, Florian Beutler wrote: > > yep sorry... here is the error message What version of Sage are you using? On what computer? Etc. etc. What are the paths below to /usr/lib? -- William > > flor...@florian-laptop:~/sage$ sage friction.py > Ok... dann legen wir mal lo

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread David Joyner
Maurizio: I'm not sure when you created http://wiki.sagemath.org/Unit%20of%20Measurement but a "secret question" has been added to the wiki which you have to answer for each edit. The answer to the question is (hopefully) pretty obvious. I think the question appears near the top of the page after

[sage-support] Re: Sage is not using Multi Core CPU Resources!

2009-06-14 Thread ulfarsson
Hi, will Grand Central on Mac OS X Snow Leopard make using multiple cores/processors easier? Best, Henning Ulfarsson Postdoctoral Researcher University of Reykjavik, Combinatorics Group On Jun 14, 7:06 am, William Stein wrote: > On Sun, Jun 14, 2009 at 8:04 AM, Saj wrote: > > > Dear sir, > > >

[sage-support] Re: strange behavior

2009-06-14 Thread Florian Beutler
yep sorry... here is the error message flor...@florian-laptop:~/sage$ sage friction.py Ok... dann legen wir mal los! step1: definition of the density profile 99824085.5683 step2: definition of the circular velocity 3.51331142172386 step3: definition of the integrated mass 229643.853879355 ste

[sage-support] Re: notebook doesn't open

2009-06-14 Thread William Stein
On Sat, Jun 13, 2009 at 10:34 PM, rcrowno...@sbcglobal.net wrote: > > Did you ever get a reply?  This is my problem also. I can't really understand the question. Also the person asking the question -- and now you -- aren't providing enough information. What computer is Sage installed on? What

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread William Stein
On Sun, Jun 14, 2009 at 11:55 AM, Maurizio wrote: > > Well, actually SEP was containing a list of links to wiki pages of > proposals. > > I'm sorry but I have been misunderstood: I meant to say that in SEP > (Sage Enhancement Proposal) there was the link to the wiki page I > created: Units of Meas

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread Maurizio
Well, actually SEP was containing a list of links to wiki pages of proposals. I'm sorry but I have been misunderstood: I meant to say that in SEP (Sage Enhancement Proposal) there was the link to the wiki page I created: Units of Measurement. In fact, I didn't mean to substitute that SEP page, bu

[sage-support] Re: Dimensional Analysis or Unit Conversion capability?

2009-06-14 Thread William Stein
On Sun, Jun 14, 2009 at 1:44 AM, Maurizio wrote: > I created the wiki page for this in SEP: > > http://wiki.sagemath.org/SEP > > Unfortunately, it seems I don't have the rights to modify the page I > created. I've never heard of that in 3 years of running that wiki. I don't know how you setup th

[sage-support] Re: Sage is not using Multi Core CPU Resources!

2009-06-14 Thread William Stein
On Sun, Jun 14, 2009 at 8:04 AM, Saj wrote: > > Dear sir, > > I am using sage-math in Xeon Workstation. Interestingly, its not using > all the CPU resources. one CPU is 100%. Rest of them are sitting idle. > My question is > >  - Is it possible to build sage with muti-Threading to support multi >

[sage-support] Re: www.sagenb.org vs alpha.sagenb.org

2009-06-14 Thread William Stein
On Sun, Jun 14, 2009 at 8:43 AM, Marky Marc wrote: > > Hi, > The two machines listed in the subject line seem to be running > different versions of sage, viz. "4.0.1" and "4.0.rc0" respectively. They are both running sage version 4.0.1. The notebook sever on alpha.sagenb.org is still 4.0.rc0, bu