[sage-support] Feedback from a first-time installer of Sage on a MAC

2007-11-08 Thread njas
This was on an iMAC, OS 10.4.10. I went to Sage Free download MAC OSX INSTRUCTIONS.txt - but the instructions here (dated 22 Aug 2007) did not work for me. I downloaded the sage gz file to my Desktop, then double-clicked it. This produced an error - it just failed after a while.

[sage-support] What is needed in order to save objects of extension class?

2007-11-08 Thread Simon King
Dear support team, a basic question whose answer i was neither able to find in the Sage Programming Guide nor in http://modular.math.washington.edu/sage/doc/html/tut/: Suppose i have an extension class Foo and an instance X of Foo. What methods must Foo provide in order to make things work like

[sage-support] Re: What is needed in order to save objects of extension class?

2007-11-08 Thread William Stein
On Nov 8, 2007 12:36 PM, Simon King [EMAIL PROTECTED] wrote: Dear support team, a basic question whose answer i was neither able to find in the Sage Programming Guide nor in http://modular.math.washington.edu/sage/doc/html/tut/: Suppose i have an extension class Foo and an instance X of

[sage-support] Re: What is needed in order to save objects of extension class?

2007-11-08 Thread Simon King
Dear William, On Nov 8, 5:36 pm, William Stein [EMAIL PROTECTED] wrote: By an extension class I assume you mean a class you defined using Cython? Yes. Type dumps? for the docs on dumps. I even did dumps?? and found cPickle mentioned in the code. But it didn't tell me much, because... In

[sage-support] Re: reference manual

2007-11-08 Thread mabshoff
On Nov 8, 8:57 pm, Paul Zimmermann [EMAIL PROTECTED] wrote: Hello Paul, Onhttp://sagemath.org/doc/html/ref/module-sage.calculus.calculus.htmlone can read: sage: var('x, u, v') (x, u, v) sage: f = expand((2*u*v^2-v^2-4*u^3)^2 * (-u)^3 * (x-sin(x))^3) # not tested -- trac #946

[sage-support] reference manual

2007-11-08 Thread Paul Zimmermann
On http://sagemath.org/doc/html/ref/module-sage.calculus.calculus.html one can read: sage: var('x, u, v') (x, u, v) sage: f = expand((2*u*v^2-v^2-4*u^3)^2 * (-u)^3 * (x-sin(x))^3) # not tested -- trac #946 This seems to work now: sage: var('x, u, v') sage: f = expand((2*u*v^2-v^2-4*u^3)^2

[sage-support] Re: reference manual

2007-11-08 Thread William Stein
On Thu, 08 Nov 2007 19:57:02 -, Paul Zimmermann [EMAIL PROTECTED] wrote: On http://sagemath.org/doc/html/ref/module-sage.calculus.calculus.html one can read: sage: var('x, u, v') (x, u, v) sage: f = expand((2*u*v^2-v^2-4*u^3)^2 * (-u)^3 * (x-sin(x))^3) # not tested -- trac #946

[sage-support] Re: reference manual

2007-11-08 Thread William Stein
On Thu, 08 Nov 2007 20:09:09 -, mabshoff [EMAIL PROTECTED] wrote: On Nov 8, 8:57 pm, Paul Zimmermann [EMAIL PROTECTED] wrote: Hello Paul, Onhttp://sagemath.org/doc/html/ref/module-sage.calculus.calculus.htmlone can read: sage: var('x, u, v') (x, u, v) sage: f =

[sage-support] version number strangeness

2007-11-08 Thread John Cremona
Just upgraded to 2.8.12 prior to Sage Days 6, and find this: [EMAIL PROTECTED] -- | SAGE Version 2.8.10, Release Date: 2007-10-28 | | Type notebook() for the GUI, and license() for information.|

[sage-support] Re: version number strangeness

2007-11-08 Thread William Stein
On Nov 8, 2007 8:22 PM, John Cremona [EMAIL PROTECTED] wrote: Just upgraded to 2.8.12 prior to Sage Days 6, and find this: [EMAIL PROTECTED] -- | SAGE Version 2.8.10, Release Date: 2007-10-28 | | Type

[sage-support] Re: version number strangeness

2007-11-08 Thread William Stein
On Thu, 08 Nov 2007 20:33:22 -, John Cremona [EMAIL PROTECTED] wrote: This happened (and the problem was still there on restarting): sage: sage: hg_scripts.merge() cd /home/src/sage/local/bin hg merge abort: there is nothing to merge - use hg update instead sage: sage:

[sage-support] Issue with interface to Gap in 2.8.12

2007-11-08 Thread Carlo Hämäläinen
Hi, Is there a limit on the size of permutations with the Gap interface? I managed to get an error today which seems to be due to Gap putting (...) at the end of a line. Here's the error: type 'exceptions.TypeError': Gap produced error output Syntax error: expression expected in

[sage-support] Re: Issue with interface to Gap in 2.8.12

2007-11-08 Thread William Stein
On Nov 9, 2007 12:24 AM, Carlo Hämäläinen [EMAIL PROTECTED] wrote: Is there a limit on the size of permutations with the Gap interface? I managed to get an error today which seems to be due to Gap putting (...) at the end of a line. Yes, evidently there definitely is. I wasn't aware of this