[sage-support] Re: Getting a numerical value

2009-03-14 Thread Jason Grout
Maurizio wrote: I'd like to jump in the conversation, to describe my own experience. I don't know what about real numbers, but I found out that in that same situation you were talking about (symbolic expression where all the symbols are substituted by numbers eventually), and the expected

[sage-support] Re: Error in solving system of non-linear equations

2009-03-14 Thread R (Chandra) Chandrasekhar
Jason Grout wrote: R (Chandra) Chandrasekhar wrote: Would you recommend that I compile from the source tarball instead? Personally, that's what I recommend. Sage development moves at a nice pace, and you're already missing out on a lot of very nice features and a lot of bugfixes

[sage-support] Re: interact not working with 3D plots

2009-03-14 Thread Jason Grout
Mani chandra wrote: Hi, The following code is not plotting for some reason. The silder comes up and when I move it nothing happens. def exp_ikz_expansion(r, theta, l_max): s = 0 for l in range(l_max): s = s + (2*l + 1)*I**l*spherical_bessel_J(l, r)*legendre_P(l,

[sage-support] Re: public worksheet, and methods for exporting

2009-03-14 Thread William Stein
On Fri, Mar 13, 2009 at 1:32 PM, Carl Witty carl.wi...@gmail.com wrote: On Mar 13, 11:58 am, Pierre pierre.guil...@gmail.com wrote:  Note that sagenb.org is not designed to support classes as a class sage server; rather, it's designed to give a person a way to try out Sage. Is there

[sage-support] Re: Exiting Gap process?

2009-03-14 Thread William Stein
On Fri, Mar 13, 2009 at 8:16 AM, kcrisman kcris...@gmail.com wrote: Dear Support, Usually, when I exit Sage after doing something symbolic, I get something like this: -- | Sage Version 3.4, Release Date: 2009-03-11                         |

[sage-support] Request for help

2009-03-14 Thread davidgal...@gmail.com
When I tried to open sage 3.4 on an iBookG4 (MacOS 10.4.11) I got: Last login: Sat Mar 14 13:34:34 on ttyp1 Welcome to Darwin! iBookG4:~ davidgalant$ /Applications/Analysis/sage/sage -- | Sage Version 3.4, Release Date:

[sage-support] Re: Exiting Gap process?

2009-03-14 Thread William Stein
On Sat, Mar 14, 2009 at 6:01 AM, kcrisman kcris...@gmail.com wrote: This is not a bug, is not odd, and is not an inefficiency.  GAP get started to recreate it's startup cache whenever GAP is upgraded. Okay, fair enough, but then why did it also do this later the same day when I used a

[sage-support] Re: Request for help

2009-03-14 Thread William Stein
On Sat, Mar 14, 2009 at 5:29 AM, davidgal...@gmail.com davidgal...@gmail.com wrote: When I tried to open sage 3.4 on an iBookG4 (MacOS 10.4.11) I got: Precisely which .dmg did you download? What size was it? William Last login: Sat Mar 14 13:34:34 on ttyp1 Welcome to Darwin! iBookG4:~

[sage-support] Find maximum on interval for result of diff() function.

2009-03-14 Thread Sand Wraith
f(x)=exp(-x^2) g=diff(f) then I'd like to find maximum of g function on interval: find_maximum_on_interval(g,0,1) (-1.30156325204e-08, 6.5078162602101728e-09) but for: find_maximum_on_interval(g,0,3) I've got error: Traceback (click to the left for traceback) ... TypeError: cannot coerce type

[sage-support] Re: Sage 3.4 on Fedora: cannot execute binary file

2009-03-14 Thread Jaap Spies
davidp wrote: I am having trouble starting Sage 3.4 on two machines running Fedora: 1. poly cd sage-3.4-Fedora_release_9-x86_64-Linux/ poly ./sage -- | Sage Version 3.4, Release Date: 2009-03-11 |

[sage-support] Re: Sage 3.4 on Fedora: cannot execute binary file

2009-03-14 Thread davidp
Is it strange, then, to list this binary under 32bit: http://sagemath.org/bin/linux/32bit/index.html Also, I don't see a release for i686. Perhaps that will come later. Thanks, Dave On Mar 14, 8:37 am, Jaap Spies j.sp...@hccnet.nl wrote: davidp wrote: I am having trouble starting Sage 3.4

[sage-support] Re: Sage 3.4 on Fedora: cannot execute binary file

2009-03-14 Thread William Stein
On Sat, Mar 14, 2009 at 10:16 AM, davidp dav...@reed.edu wrote: Is it strange, then, to list this binary under 32bit: http://sagemath.org/bin/linux/32bit/index.html Also, I don't see a release for i686.  Perhaps that will come later. That's a mistake. Michael can you fix it? William

[sage-support] Re: Sage 3.4 on Fedora: cannot execute binary file

2009-03-14 Thread William Stein
On Sat, Mar 14, 2009 at 10:16 AM, davidp dav...@reed.edu wrote: Is it strange, then, to list this binary under 32bit: http://sagemath.org/bin/linux/32bit/index.html Also, I don't see a release for i686.  Perhaps that will come later. Thanks, Dave I *can't* make a 32-bit fedora binary

[sage-support] Re: Sage 3.4 on Fedora: cannot execute binary file

2009-03-14 Thread mabshoff
On Mar 14, 10:24 am, William Stein wst...@gmail.com wrote: On Sat, Mar 14, 2009 at 10:16 AM, davidp dav...@reed.edu wrote: Is it strange, then, to list this binary under 32bit: http://sagemath.org/bin/linux/32bit/index.html Also, I don't see a release for i686.  Perhaps that will come

[sage-support] Sage 3.4 and Ubuntu 8.04

2009-03-14 Thread giovanni.marche...@ds.unifi.it
I have Linux Ubuntu 8.04. 32 bit I downloaded Sage 3.4 sage-3.4-linux-Ubuntu_8.10-i686-Linux.tar.gz Sage starts correctly but after notebook() I get an error as follows. Any suggestion ? Thank you Giovanni . exceptions.ImportError: /lib/tls/i686/cmov/libc.so.6: version `GLIBC_2.8' not

[sage-support] Re: Sage 3.4 and Ubuntu 8.04

2009-03-14 Thread Rob Beezer
On Mar 14, 11:27 am, mabshoff michael.absh...@mathematik.uni- dortmund.de wrote: If there is no binary you need to build from sources. Giovanni, My experience is that you should have little difficulty building Sage from the source on 8.04 (other than having to wait several hours for the

[sage-support] Re: Sage 3.4 on Fedora: cannot execute binary file

2009-03-14 Thread davidp
Thanks! On Mar 14, 11:19 am, mabshoff michael.absh...@mathematik.uni- dortmund.de wrote: Ok, there is now a 32 bit FC9 binary - I had it on sage.math all along and it did get lost in the shuffle when putting things in the various directories. Cheers, Michael

[sage-support] Re: Cannot copy on OSX

2009-03-14 Thread mabshoff
On Mar 13, 11:30 am, Carl Witty carl.wi...@gmail.com wrote: On Mar 13, 11:02 am, mabshoff michael.absh...@mathematik.uni- dortmund.de wrote: On Mar 13, 10:55 am, kcrisman kcris...@gmail.com wrote: Any ideas? The build box where that binary is being build had some changes to the

[sage-support] Plots inside interact not working

2009-03-14 Thread Mani chandra
Hi, In the following code, nothing seems to show up when I put plot inside interact, but it works when it's outside it. def delta_l_hs(l, k, a): return atan(spherical_bessel_J(l, k*a)/spherical_bessel_Y(l, k*a)) k = var('k') #show(plot(delta_l_hs(5, k, 1), (k, -20, 20) ) )