[sage-devel] Re: sage talk

2009-02-05 Thread Ronan Paixão
Em Seg, 2009-02-02 às 15:56 -0800, Roman Pearce escreveu: A new version of Maple is only released every year, and there are lots of people who expect their 10 year old code to run. It's almost a Microsoft-like situation. And since people have to pay for upgrades there's an entirely

[sage-devel] Re: sage talk

2009-02-02 Thread Roman Pearce
On Feb 1, 6:18 pm, William Stein wst...@gmail.com wrote: with(linalg); A := LinearAlgebra:-RandomMatrix(200); det(A); and it takes 30 seconds. I know it was deprecated in Maple 6, but isn't it odd that Maple doesn't even print a warning or something like 6 years later that one is

[sage-devel] Re: sage talk

2009-02-01 Thread John Cremona
I guess William writes Weierstrass more often than hierarchy John On 1 Feb, 00:42, Simon King k...@mathematik.uni-jena.de wrote: Hi William, On 31 Jan., 19:04, William Stein wst...@gmail.com wrote: ... Thanks!  I was scared you were going to point out 10 typos :-) I found one:

[sage-devel] Re: sage talk

2009-02-01 Thread Roman Pearce
I just want to point out the Maple's linear algebra is not quite as bad as old Linbox times imply. The linalg package has been obsolete for some time now. -bash-3.2$ maple |\^/| Maple 12 (X86 64 LINUX) ._|\| |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2008 \

[sage-devel] Re: sage talk

2009-02-01 Thread William Stein
On Sun, Feb 1, 2009 at 11:21 AM, Roman Pearce rpear...@gmail.com wrote: I just want to point out the Maple's linear algebra is not quite as bad as old Linbox times imply. The linalg package has been obsolete for some time now. It should print a deprecation warning so I would know. Could

[sage-devel] Re: sage talk

2009-02-01 Thread William Stein
On Sun, Feb 1, 2009 at 12:46 PM, William Stein wst...@gmail.com wrote: On Sun, Feb 1, 2009 at 11:21 AM, Roman Pearce rpear...@gmail.com wrote: I just want to point out the Maple's linear algebra is not quite as bad as old Linbox times imply. The linalg package has been obsolete for some

[sage-devel] Re: sage talk

2009-02-01 Thread Tim Lahey
On Feb 1, 2009, at 4:01 PM, William Stein wrote: On Sun, Feb 1, 2009 at 12:46 PM, William Stein wst...@gmail.com wrote: On Sun, Feb 1, 2009 at 11:21 AM, Roman Pearce rpear...@gmail.com wrote: I just want to point out the Maple's linear algebra is not quite as bad as old Linbox times

[sage-devel] Re: sage talk

2009-02-01 Thread William Stein
On Sun, Feb 1, 2009 at 1:18 PM, Tim Lahey tim.la...@gmail.com wrote: On Feb 1, 2009, at 4:01 PM, William Stein wrote: On Sun, Feb 1, 2009 at 12:46 PM, William Stein wst...@gmail.com wrote: On Sun, Feb 1, 2009 at 11:21 AM, Roman Pearce rpear...@gmail.com wrote: I just want to point out

[sage-devel] Re: sage talk

2009-02-01 Thread Roman Pearce
On Feb 1, 12:46 pm, William Stein wst...@gmail.com wrote: On Sun, Feb 1, 2009 at 11:21 AM, Roman Pearce rpear...@gmail.com wrote: I just want to point out the Maple's linear algebra is not quite as bad as old Linbox times imply.  The linalg package has been obsolete for some time now.

[sage-devel] Re: sage talk

2009-02-01 Thread mabshoff
On Feb 1, 1:26 pm, William Stein wst...@gmail.com wrote: SNIP Maple's Linear Algebra is noted for not being particularly good at large sizes. With symbolic entries, it's much worse. Thanks for these timings, it just reinforces my idea that I should switch as soon as the calculus

[sage-devel] Re: sage talk

2009-02-01 Thread William Stein
On Sun, Feb 1, 2009 at 3:55 PM, Roman Pearce rpear...@gmail.com wrote: On Feb 1, 12:46 pm, William Stein wst...@gmail.com wrote: On Sun, Feb 1, 2009 at 11:21 AM, Roman Pearce rpear...@gmail.com wrote: I just want to point out the Maple's linear algebra is not quite as bad as old Linbox

[sage-devel] Re: sage talk

2009-02-01 Thread William Stein
On Sun, Feb 1, 2009 at 3:55 PM, Roman Pearce rpear...@gmail.com wrote: By the way, most of the work for Sage computing dets uses IML, not Linbox. IML is very good. The algorithms are good :) I'm not sure what Magma is doing, but if I had to guess, I'd say they are solving a system AX=B

[sage-devel] Re: sage talk

2009-01-31 Thread Minh Nguyen
Hi William, On Sun, Feb 1, 2009 at 10:37 AM, William Stein wst...@gmail.com wrote: I just gave this Sage talk at SeaPIG (Seattle Python Interest Group -- http://www.seapig.org/NorthwestPythonDay): http://sage.math.washington.edu/talks/20090131-seapig/ This was to about 60 people. It went

[sage-devel] Re: sage talk

2009-01-31 Thread William Stein
On Sat, Jan 31, 2009 at 4:03 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi William, On Sun, Feb 1, 2009 at 10:37 AM, William Stein wst...@gmail.com wrote: I just gave this Sage talk at SeaPIG (Seattle Python Interest Group -- http://www.seapig.org/NorthwestPythonDay):

[sage-devel] Re: sage talk

2009-01-31 Thread Minh Nguyen
Hi William, On Sun, Feb 1, 2009 at 11:04 AM, William Stein wst...@gmail.com wrote: On Sat, Jan 31, 2009 at 4:03 PM, Minh Nguyen nguyenmi...@gmail.com wrote: Hi William, On Sun, Feb 1, 2009 at 10:37 AM, William Stein wst...@gmail.com wrote: I just gave this Sage talk at SeaPIG (Seattle

[sage-devel] Re: sage talk

2009-01-31 Thread Simon King
Hi William, On 31 Jan., 19:04, William Stein wst...@gmail.com wrote: ... Thanks!  I was scared you were going to point out 10 typos :-) I found one: heierarchy in place of hierarchy on page 8. Sorry, I could not resist when you wrote the line above ;-) Cheers Simon

[sage-devel] Re: SAGE talk at CECM

2007-08-09 Thread Justin C. Walker
On Aug 9, 2007, at 24:41 , William Stein wrote: My impression repeatedly, is that with SAGE it is best to focus as much as possible on young people and new users, and not worry much about old fogies. Older people have repeatedly seen generations of failures with free math software, so I

[sage-devel] Re: SAGE talk at CECM

2007-08-09 Thread David Joyner
On 8/9/07, Justin C. Walker [EMAIL PROTECTED] wrote: On Aug 9, 2007, at 24:41 , William Stein wrote: My impression repeatedly, is that with SAGE it is best to focus as much as possible on young people and new users, and not worry much about old fogies. Older people have repeatedly

[sage-devel] Re: SAGE talk at CECM

2007-08-09 Thread Chris Chiasson
What you should have told them was that SAGE is going to eat their lunch, then spun on your heels, and walked out. Just kidding. On Aug 9, 2:41 am, William Stein [EMAIL PROTECTED] wrote: Hi, I substantially updated the 1-hour SAGE colloquium-style talk I posted earlier today (thanks for