[sage-support] Re: unsubscribe

2009-12-08 Thread Minh Nguyen
Hi Arun, On Tue, Dec 8, 2009 at 2:56 PM, arun Muktibodh amukti2...@gmail.com wrote: Please unsubscribe me. At your request, I have unsubscribed you from the sage-support mailing list. -- Regards Minh Van Nguyen -- To post to this group, send email to sage-support@googlegroups.com To

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread Stan Schymanski
Robert Bradshaw wrote: [SNIP] Making notebook IDs that are not simply consecutive integers would solve nearly all of your issues above, and I think a lot of people (myself included) would appreciate that. Either short names or globally unique identifiers (or some combination of both)

[sage-support] notebook: resetting a user's password

2009-12-08 Thread John Cremona
Is it possible to reset the password of a use who has created an account but forgotten her password? When I looked at the docstring of notebook() I found it rather confusing: especially this part: accounts -- (default: False) if True, any visitor to the

[sage-support] Re: Importing sage appliance error in virtualbox 3.1.0

2009-12-08 Thread Harald Schilly
On Dec 8, 12:45 am, William Stein wst...@gmail.com wrote: Thanks.  I'll upgrade my virtualbox and re-export the virtualmachine. Updated virtualbox image now available. Downloaded best via a metalink using http://www.downthemall.net/ or http://aria2.sourceforge.net/ and this file:

[sage-support] unsubscribe

2009-12-08 Thread Neil MacKenzie
please:-) -- 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, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org

Re: [sage-support] unsubscribe

2009-12-08 Thread Minh Nguyen
Hi Neil, On Wed, Dec 9, 2009 at 2:20 AM, Neil MacKenzie skookemch...@canada.com wrote: please :-) At your request, you are now unsubscribed from the sage-support mailing list. -- Regards Minh Van Nguyen -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe

[sage-support] Re: unsubscribe

2009-12-08 Thread kcrisman
I don't get why people can't unsubscribe themselves? - kcrisman On Dec 8, 10:44 am, Minh Nguyen nguyenmi...@gmail.com wrote: Hi Neil, On Wed, Dec 9, 2009 at 2:20 AM, Neil MacKenzie skookemch...@canada.com wrote: please :-) At your request, you are now unsubscribed from the

Re: [sage-support] Re: Importing sage appliance error in virtualbox 3.1.0

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 6:59 AM, Harald Schilly harald.schi...@gmail.com wrote: On Dec 8, 12:45 am, William Stein wst...@gmail.com wrote: Thanks.  I'll upgrade my virtualbox and re-export the virtualmachine. Updated virtualbox image now available. Downloaded best via a metalink using

Re: [sage-support] notebook: resetting a user's password

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 6:47 AM, John Cremona john.crem...@gmail.com wrote: Is it possible to reset the password of a use who has created an account but forgotten her password? When I looked at the docstring of notebook() I found it rather confusing:  especially this part:           accounts

[sage-support] coercion bug + help please

2009-12-08 Thread Pierre
this is definitely a bug, right ? sage: k= CyclotomicField(4, i) sage: poly= PolynomialRing(k, x) sage: x= poly.gen() sage: p= 3; K= NumberField(x^2 - p, r) sage: i= K( k.gen() ) sage: CDF(i) 2.31897834269e-14 - 1.0*I So i is converted to roughly -i... which can makes sense as it's just a choice

[sage-support] Re: Integer points of an elliptic curve

2009-12-08 Thread John Cremona
The topic of integer points on elliptic curves is a big and interesting one, which should probably be discussed in sage-nt rather than sage-support (if one sage-* at all!). So I will be brief. This is NOT about the Nagel-Lutz Theorem. That says that points of finite order on elliptic curves

[sage-support] please unsubscribe me. thanks

2009-12-08 Thread Jenya Polyakova
-- 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, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org

Re: [sage-support] Re: unsubscribe

2009-12-08 Thread Robert Bradshaw
On Dec 8, 2009, at 8:05 AM, kcrisman wrote: I don't get why people can't unsubscribe themselves? They can. This is footer is wrong: 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

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread Robert Bradshaw
On Dec 8, 2009, at 4:49 AM, Stan Schymanski wrote: Robert Bradshaw wrote: [SNIP] Making notebook IDs that are not simply consecutive integers would solve nearly all of your issues above, and I think a lot of people (myself included) would appreciate that. Either short names or globally

[sage-support] Re: notebook: resetting a user's password

2009-12-08 Thread John Cremona
Brilliant, thanks. Very easy, and it works! Sorry I did not find that myself the Manage Users facility looks excellent! John On Dec 8, 4:39 pm, William Stein wst...@gmail.com wrote: On Tue, Dec 8, 2009 at 6:47 AM, John Cremona john.crem...@gmail.com wrote: Is it possible to reset the

Re: [sage-support] Re: Importing sage appliance error in virtualbox 3.1.0

2009-12-08 Thread hms
Everything seems fine: virtualbox no longer crashes after import appliance; sage command line and notebook are working. --hms William Stein wrote: On Tue, Dec 8, 2009 at 6:59 AM, Harald Schilly harald.schi...@gmail.com wrote: On Dec 8, 12:45 am, William Stein wst...@gmail.com wrote:

Re: [sage-support] Re: unsubscribe

2009-12-08 Thread David Joyner
On Tue, Dec 8, 2009 at 12:08 PM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 8:05 AM, kcrisman wrote: I don't get why people can't unsubscribe themselves? They can. This is footer is wrong: To post to this group, send email to sage-support@googlegroups.com To

Re: [sage-support] Re: unsubscribe

2009-12-08 Thread Minh Nguyen
Hi Robert, On Wed, Dec 9, 2009 at 4:08 AM, Robert Bradshaw rober...@math.washington.edu wrote: SNIP It should be sage-support+unsubscr...@googlegroups.com http://groups.google.com/support/bin/answer.py?hl=enanswer=46608 Thank you very much for pointing this out. I have accordingly adjusted

Re: [sage-support] Re: Importing sage appliance error in virtualbox 3.1.0

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 9:48 AM, hms heather.m.shan...@gmail.com wrote: Everything seems fine:  virtualbox no longer crashes after import appliance; sage command line and notebook are working. --hms Excellent. Many thanks for testing this! William -- To post to this group, send email to

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 9:06 AM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 4:49 AM, Stan Schymanski wrote: Robert Bradshaw wrote: [SNIP] Making notebook IDs that are not simply consecutive integers would solve nearly all of your issues above, and I think a lot of

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 4:49 AM, Stan Schymanski schym...@gmail.com wrote: Robert Bradshaw wrote: [SNIP] Making notebook IDs that are not simply consecutive integers would solve nearly all of your issues above, and I think a lot of people (myself included) would appreciate that. Either short

Re: [sage-support] coercion bug + help please

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 8:47 AM, Pierre pierre.guil...@gmail.com wrote: this is definitely a bug, right ? sage: k= CyclotomicField(4, i) sage: poly= PolynomialRing(k, x) sage: x= poly.gen() sage: p= 3; K= NumberField(x^2 - p, r) sage: i= K( k.gen() ) sage: CDF(i) 2.31897834269e-14 - 1.0*I

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread Robert Bradshaw
On Dec 8, 2009, at 10:17 AM, William Stein wrote: On Tue, Dec 8, 2009 at 9:06 AM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 4:49 AM, Stan Schymanski wrote: Robert Bradshaw wrote: [SNIP] Making notebook IDs that are not simply consecutive integers would solve

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 11:04 AM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 10:17 AM, William Stein wrote: On Tue, Dec 8, 2009 at 9:06 AM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 4:49 AM, Stan Schymanski wrote: Robert Bradshaw

[sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread Jason Grout
William Stein wrote: I guess what I'm advocating is that it would be useful for the underlying ID to be (probabilistically) globally unique, not just unique for a user or a specific notebook server. (1) How is that useful? (2) Why don't web pages, wiki pages (?), latex documents, etc. have

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 12:14 PM, Jason Grout jason-s...@creativetrax.com wrote: William Stein wrote: I guess what I'm advocating is that it would be useful for the underlying ID to be (probabilistically) globally unique, not just unique for a user or a specific notebook server. (1) How is

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread Robert Bradshaw
On Dec 8, 2009, at 11:54 AM, William Stein wrote: On Tue, Dec 8, 2009 at 11:04 AM, Robert Bradshaw rober...@math.washington.edu wrote: I think you misunderstood my proposal-- Yes, I'm sure I did, since I also don't understand your further explanation of it below. all the user would see

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 12:31 PM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 11:54 AM, William Stein wrote: On Tue, Dec 8, 2009 at 11:04 AM, Robert Bradshaw rober...@math.washington.edu wrote: I think you misunderstood my proposal-- Yes, I'm sure I did, since I

Re: [sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread William Stein
On Tue, Dec 8, 2009 at 12:41 PM, Robert Bradshaw rober...@math.washington.edu wrote: On Dec 8, 2009, at 12:26 PM, William Stein wrote: On Tue, Dec 8, 2009 at 12:14 PM, Jason Grout jason-s...@creativetrax.com wrote: William Stein wrote: I guess what I'm advocating is that it would be useful

[sage-support] Re: losing confidence in Sage notebooks

2009-12-08 Thread Jason Grout
Robert Bradshaw wrote: With my design -- which just happens to be the bog standard design that is used everywhere (web pages, etc.), imho -- even autogenerated references would work fine (since they are relative). Plus, sticking with a standard design means it will be easier for people to

[sage-support] Integration of piecewise function

2009-12-08 Thread Sand Wraith
Hello, there is signal function: signal = Piecewise([ [(0,5), cos(2*pi*1*x) ], [(5,10), cos(2*pi*2.5*x) ], ]) And window function: window = Piecewise([[(-1,1),1]]) And the result function: r=window*signal How can I integrate it now? I'am trying: r.integral(definite=True) but it leads to

Re: [sage-support] Integration of piecewise function

2009-12-08 Thread David Joyner
Unfortunately, the piecewise class was written before the symbolic expressions class and has not kept pace. The obvious solution produced this: sage: signal = Piecewise([[(0,1), cos(2*pi*1*x)], [(-1, 0), 0*x]]) sage: signal.integral(definite=True)