[sage-devel] Re: sage-4.0

On Wed, Mar 25, 2009 at 10:13 PM, William Stein wrote: > 3. I would also like to see the default symbolics switch from > maxima-based to pynac, which would I think really clearly justify the > switch to 4.0, since it will have a *dramatic* impact on the usability > of Sage by many users (the spee

[sage-devel] Re: sage-4.0

Hi William, On Thu, Mar 26, 2009 at 5:13 AM, William Stein wrote: > > Hi, > > At a minimum, Sage-4.0 will be the following: > > 1. doctest coverage of the core Sage library at 75% I've been working on the doctest coverage of the crypto modules. See, for example, ticket #5529. I'd love to cont

[sage-devel] sage-4.0

Hi, At a minimum, Sage-4.0 will be the following: 1. doctest coverage of the core Sage library at 75% 2. official "tier 1" support for Solaris 3. I would also like to see the default symbolics switch from maxima-based to pynac, which would I think really clearly justify the switch to 4.0,

[sage-devel] Re: REDUCE now available under BSD-like license

Hi Jason, On Thu, Mar 26, 2009 at 3:52 AM, Jason Grout wrote: > > Minh Nguyen wrote: >> On Wed, Mar 25, 2009 at 11:18 PM, Maurizio >> wrote: >>> I don't get it... >>> >>> how should this make SAGE easier? From my point of view, I don't even >>> remember anymore (my bad I know) what a ring repr

[sage-devel] Re: Lazy Infinite Power Series

On Mar 25, 8:26 pm, "Nicolas M. Thiery" wrote: >         Dear Henryk, dear Mike, > Mike: could you plse answer this e-mail??? Right now it is spring break at UW, so I expect Mike to pop up soon again. > We really really really don't want two separate implementations. Well, I will

[sage-devel] Re: REDUCE now available under BSD-like license

Minh Nguyen wrote: > On Wed, Mar 25, 2009 at 11:18 PM, Maurizio wrote: >> I don't get it... >> >> how should this make SAGE easier? From my point of view, I don't even >> remember anymore (my bad I know) what a ring represent, but this is >> not slowing down my SAGE learning, I think. >> >> But w

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Golam Mortuza Hossain wrote: > Hi, > > On Wed, Mar 25, 2009 at 4:09 PM, Jason Grout > wrote: >> Also, I think naming the function is_latex_name or something like that >> would be better. common_varnames says nothing to me about the variable >> name > > Thanks Jason for your suggestions. I have

[sage-devel] Re: Lazy Infinite Power Series

Dear Henryk, dear Mike, On Wed, Mar 25, 2009 at 12:31:46PM -0700, Henryk Trappmann wrote: > On Mar 25, 8:08 pm, mabshoff wrote: > > Why can't this code be patched into Mike's LazyPowerSeries class? I > > really don't think we want the same thing implemented twice in Sage > > with overlap

[sage-devel] Re: REDUCE now available under BSD-like license

On Wed, Mar 25, 2009 at 11:18 PM, Maurizio wrote: > > I don't get it... > > how should this make SAGE easier? From my point of view, I don't even > remember anymore (my bad I know) what a ring represent, but this is > not slowing down my SAGE learning, I think. > > But what if tomorrow or the day

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Hi, On Wed, Mar 25, 2009 at 4:09 PM, Jason Grout wrote: > Also, I think naming the function is_latex_name or something like that > would be better.  common_varnames says nothing to me about the variable > name Thanks Jason for your suggestions. I have renamed the function. Also, I have made som

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Wed, Mar 25, 2009 at 8:01 PM, Rob Beezer wrote: > On Mar 25, 2:05 pm, John H Palmieri wrote: >> I intend it to be used only for those circumstances where reasonable >> people might want to switch from one choice to the other, so I tried >> to change \mathbf to \Bold only for ZZ, RR, QQ, CC, a

[sage-devel] Re: ambiguous binomial

On Wed, Mar 25, 2009 at 4:42 PM, Dan Drake wrote: > On Wed, 25 Mar 2009 at 03:05PM -0700, Henryk Trappmann wrote: >> I just encountered the ambiguouty: >> >> binomial(-1.0,2) == 1.0 >> binomial(-1,2) == 0 >> >> do we need 2 diferent names? I think the second form is also needed >> somewhere. >> B

[sage-devel] Re: ambiguous binomial

On Wed, 25 Mar 2009 at 03:05PM -0700, Henryk Trappmann wrote: > I just encountered the ambiguouty: > > binomial(-1.0,2) == 1.0 > binomial(-1,2) == 0 > > do we need 2 diferent names? I think the second form is also needed > somewhere. > But of course one needs the first form also for integers. Th

[sage-devel] Re: REDUCE now available under BSD-like license

On Wed, Mar 25, 2009 at 4:18 PM, Maurizio wrote: > > I don't get it... > > how should this make SAGE easier? From my point of view, I don't even > remember anymore (my bad I know) what a ring represent, but this is > not slowing down my SAGE learning, I think. > > But what if tomorrow or the day

[sage-devel] Re: REDUCE now available under BSD-like license

I don't get it... how should this make SAGE easier? From my point of view, I don't even remember anymore (my bad I know) what a ring represent, but this is not slowing down my SAGE learning, I think. But what if tomorrow or the day after, I do need those? I'm sorry, I just don't get the point o

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 2:05 pm, John H Palmieri wrote: > let me clarify one thing: I'm not trying to persuade everyone to > change to mathbf. No, I think it is obvious that you are trying to accommodate both camps (which I applaud). > Maybe a setting in an init.sage file?  How do you use that file?  Can >

[sage-devel] ambiguous binomial

I just encountered the ambiguouty: binomial(-1.0,2) == 1.0 binomial(-1,2) == 0 do we need 2 diferent names? I think the second form is also needed somewhere. But of course one needs the first form also for integers. --~--~-~--~~~---~--~~ To post to this group, sen

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 2:06 pm, John H Palmieri wrote: > > I think I may have figured this out, but it will require patching > jsMath: we need to add a font to the spkg, I think. See . John --~--~-~--~~~---~--~~ To post to t

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 1:43 pm, John H Palmieri wrote: > On Mar 25, 1:06 pm, Jason Grout wrote: > > > John H Palmieri wrote: > > > > Somewhat seriously, I have another argument against using blackboard > > > bold fonts: I can't get them to work with jsMath.  I think I have all > > > of the appropriate fonts

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 1:41 pm, Rob Beezer wrote: > Hi John, Hi Rob, > I've been following this thread, and read the discussion on Trac at > #5610.  I've been partial to blackboard bold, but after the discussion > here am considering going back to bold.  In my open-source linear- > algebra book, this will

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 1:06 pm, Jason Grout wrote: > John H Palmieri wrote: > > > Somewhat seriously, I have another argument against using blackboard > > bold fonts: I can't get them to work with jsMath.  I think I have all > > of the appropriate fonts installed, but when I try to view something > > typeset

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

Hi John, I've been following this thread, and read the discussion on Trac at #5610. I've been partial to blackboard bold, but after the discussion here am considering going back to bold. In my open-source linear- algebra book, this will be trivial, since I can go into a single *.sty file and ma

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

John H Palmieri wrote: > On Mar 25, 10:05 am, kcrisman wrote: >> More seriously, I think that for some people the distinction between Z >> and boldface Z might be hard to pick out (visually, that is). \mathbb >> {Z} is unambiguous, has a nice chalkboard equivalent, and so on. I >> know at least

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 8:44 pm, John H Palmieri wrote: > Meanwhile, your posts leave the impression of you insulting people > whom you've never met.  I don't have any interest in responding to > you. Sorry, if I was insulting. The topic of blind trust in authorities just hit a button, you know I am German.

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Wed, Mar 25, 2009 at 12:44 PM, John H Palmieri wrote: > > On Mar 25, 12:12 pm, Henryk Trappmann wrote: >> On Mar 25, 5:20 pm, John H Palmieri wrote: >> >> > On Mar 25, 6:05 am, Henryk Trappmann wrote: >> >> > > Because Bourbaki and Serre said so? >> > > Sorry guys but thats the strangest ju

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 12:12 pm, Henryk Trappmann wrote: > On Mar 25, 5:20 pm, John H Palmieri wrote: > > > On Mar 25, 6:05 am, Henryk Trappmann wrote: > > > > Because Bourbaki and Serre said so? > > > Sorry guys but thats the strangest justificiation Iv ever heard. > > > I don't know quite where you heard

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 2009, at 10:58 AM, John H Palmieri wrote: > On Mar 25, 10:36 am, John H Palmieri wrote: >> >> Somewhat seriously, I have another argument against using blackboard >> bold fonts: I can't get them to work with jsMath. I think I have all >> of the appropriate fonts installed, but when I

[sage-devel] Re: Lazy Infinite Power Series

On Mar 25, 2009, at 11:26 AM, Henryk Trappmann wrote: > Oh, then I have some questions. > > First how shall the class finally be named (the current name > PowerSeriesI is rather a working title): > LazyPowerSeries (conflict with Mike Hansen's package), > InfinitePowerSeries, LIPS? > > and into wh

[sage-devel] Re: Lazy Infinite Power Series

On Mar 25, 8:08 pm, mabshoff wrote: > Why can't this code be patched into Mike's LazyPowerSeries class? I > really don't think we want the same thing implemented twice in Sage > with overlapping functionality. For me its just too much effort to port all the functionality and to retest. My class

[sage-devel] Re: Sage on FreeBSD

On Mar 24, 3:20 am, Peter Jeremy wrote: > On 2009-Mar-23 12:38:45 -0700, mabshoff wrote: Hi, > >> FreeBSD and I've reached the point where I can compile sage-3.4 on > >> FreeBSD-8/amd64 (using gcc/g++/gfortran 4.3) and get it to start. > > >Which FreeBSD release are you using? > > As I said,

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Jason Grout wrote: > Golam Mortuza Hossain wrote: >> Hi Jason, >> >> On Wed, Mar 25, 2009 at 11:57 AM, Jason Grout >>> Can you post your patch that makes the functions typeset as greek >>> letters? >> This is my first attempt to modify Sage. So please feel free >> to correct me. Let me mention th

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 5:20 pm, John H Palmieri wrote: > On Mar 25, 6:05 am, Henryk Trappmann wrote: > > > Because Bourbaki and Serre said so? > > Sorry guys but thats the strangest justificiation Iv ever heard. > > I don't know quite where you heard it, because it's not what I wrote, > especially the part

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Golam Mortuza Hossain wrote: > Hi Jason, > > On Wed, Mar 25, 2009 at 11:57 AM, Jason Grout >> Can you post your patch that makes the functions typeset as greek >> letters? > > This is my first attempt to modify Sage. So please feel free > to correct me. Let me mention the changes I have made >

[sage-devel] Re: Lazy Infinite Power Series

On Mar 25, 11:26 am, Henryk Trappmann wrote: > Oh, then I have some questions. > > First how shall the class finally be named (the current name > PowerSeriesI is rather a working title): > LazyPowerSeries (conflict with Mike Hansen's package), > InfinitePowerSeries, LIPS? Why can't this code b

[sage-devel] Re: Lazy Infinite Power Series

On Wed, Mar 25, 2009 at 11:26 AM, Henryk Trappmann wrote: > > Oh, then I have some questions. > > First how shall the class finally be named (the current name > PowerSeriesI is rather a working title): > LazyPowerSeries (conflict with Mike Hansen's package), > InfinitePowerSeries, LIPS? (1) Came

[sage-devel] Re: Lazy Infinite Power Series

Oh, then I have some questions. First how shall the class finally be named (the current name PowerSeriesI is rather a working title): LazyPowerSeries (conflict with Mike Hansen's package), InfinitePowerSeries, LIPS? and into which package should it go: sage.rings ? shall it inherit from Ring?

[sage-devel] Re: Compilation problem with sage-3.4.spkg

Hmmm, looking at that log file (thanks for posting it!) there is another possibility (than a "dying hard drive or bad memory") --- we have had seen such "internal compiler errors" in case the CPU overheats. The line "Target: i486-linux-gnu" posted above supports this assumption --- I fear it woul

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 10:36 am, John H Palmieri wrote: > > Somewhat seriously, I have another argument against using blackboard > bold fonts: I can't get them to work with jsMath.  I think I have all > of the appropriate fonts installed, but when I try to view something > typeset in blackboard bold, I get t

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Thanks Stan! On Wed, Mar 25, 2009 at 12:28 PM, Stan Schymanski wrote: > Thus, I think that > the problem is not in the definition of the latex reprentations of > integral and diff, but in what happens when you define psi(x) = > function('psi',x). In my view, this is where the trouble starts. Ye

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Hi Jason, On Wed, Mar 25, 2009 at 11:57 AM, Jason Grout > Can you post your patch that makes the functions typeset as greek > letters? This is my first attempt to modify Sage. So please feel free to correct me. Let me mention the changes I have made to get the elementary support for typesetting

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 10:05 am, kcrisman wrote: > More seriously, I think that for some people the distinction between Z > and boldface Z might be hard to pick out (visually, that is).  \mathbb > {Z} is unambiguous, has a nice chalkboard equivalent, and so on.  I > know at least that trying to get anyone to

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

More seriously, I think that for some people the distinction between Z and boldface Z might be hard to pick out (visually, that is). \mathbb {Z} is unambiguous, has a nice chalkboard equivalent, and so on. I know at least that trying to get anyone to tell the difference between v and bold v in

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

> > > By the way, widespread use is not a convincing argument; many people > > use Z_p to represent the integers mod p, and I will *not* agree that > > this is acceptable usage. > > I'm starting to think this is a lost one... What, you don't find Z_{p} versus Z_{(p)} versus Z_{\{p\}}to be a perf

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Wed, Mar 25, 2009 at 1:20 PM, John H Palmieri wrote: > > I don't know quite where you heard it, because it's not what I wrote, > especially the part about Bourbaki. However, if a leading > mathematician like Serre expresses an opinion about something, I think > it's worth paying attention. Fo

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Wed, Mar 25, 2009 at 12:56 AM, Rob Beezer wrote: > I frequently use Sage as a sort of equation editor. If I need a 10 x > 10 identity matrix in a document, its easier to contruct the matrix in > Sage and call latex() on it. Of course, this is not the raison d'etre > for Sage, but I find its

[sage-devel] Re: review of Sage in IEEE journal

I would like to know, and will try to find out, if that MA Gray is the same as an old friend of mine (since about 1967, we went to high school and university together). It would be interesting if it was! I cannot read the article from where I am In a French hotel) unfortunately. John 2009/3/25

[sage-devel] Re: review of Sage in IEEE journal

2009/3/25 Jason Grout : > > John Cremona wrote: >> I would like to know, and will try to find out, if that MA Gray is the >> same as an old friend of mine (since about 1967, we went to high >> school and university together).  It would be interesting if it was! >> >> I cannot read the article from

[sage-devel] Re: review of Sage in IEEE journal

John Cremona wrote: > I would like to know, and will try to find out, if that MA Gray is the > same as an old friend of mine (since about 1967, we went to high > school and university together). It would be interesting if it was! > > I cannot read the article from where I am In a French hotel) u

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

On Mar 25, 6:05 am, Henryk Trappmann wrote: > Because Bourbaki and Serre said so? > Sorry guys but thats the strangest justificiation Iv ever heard. I don't know quite where you heard it, because it's not what I wrote, especially the part about Bourbaki. However, if a leading mathematician like

[sage-devel] Re: Lazy Infinite Power Series

On Wed, Mar 25, 2009 at 9:13 AM, Henryk Trappmann wrote: > > http://github.com/bo198214/hyperops/raw/a5b716d48751778ffccff6769a96d9bea428b4d1/powerseries.py > Your doctest coverage score on that file is currently 1% but has to be 100% before it could be included in Sage: teragon:tmp wstein$ sag

[sage-devel] Re: Lazy Infinite Power Series

http://github.com/bo198214/hyperops/raw/a5b716d48751778ffccff6769a96d9bea428b4d1/powerseries.py On Mar 25, 4:58 pm, William Stein wrote: > On Wed, Mar 25, 2009 at 6:14 AM, Henryk Trappmann > > > > wrote: > > > On Mar 9, 5:42 am, "Nicolas M. Thiery" > > wrote: > >> What's the status of the merg

[sage-devel] Re: review of Sage in IEEE journal

Bill Hart wrote: > That was a nice article. Three things surprised me about what was > otherwise a very uncontroversial article: > > 1) Networking and grid computing was not deemed applicable to > mathematics (I don't disagree, I'm just interested that this was the > observation of the author). >

[sage-devel] Re: Lazy Infinite Power Series

On Wed, Mar 25, 2009 at 6:14 AM, Henryk Trappmann wrote: > > On Mar 9, 5:42 am, "Nicolas M. Thiery" > wrote: >> What's the status of the merge of your implementations of power >> series? I need a couple functionalities not yet in Mike's >> implementation, and mainly: >>  - conversion from a poly

[sage-devel] Re: Compilation problem with sage-3.4.spkg

2009/3/25 bourbabis : > > Hi SAGE teamT. > > So I've tried to rebuild from scratch. > I've encountered several times this error message : > > python: can't open file '/opt/sage-3.4/devel/sage/doc/common/ > builder.py' > (See lines number 31833 and 68522 from the log file). > > Notice I've been abl

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Hi Golam, +1 for this enhancement! I look forward to using it and I wouldn't mind helping if needed. Could you let me know how you got it to work? In combination with the show() command? I can't answer your question below, but here is what I used to do for variables that I wanted to print nic

[sage-devel] Re: REDUCE now available under BSD-like license

I think that you probably miss the point. Most engineers are not trained in number theory, group theory, advanced algebra, etc. Leaving these parts out of Sage would potentially make it easier to use. But then maybe the engineer should use Maxima, or one of those other systems that either ignore

[sage-devel] Re: review of Sage in IEEE journal

That was a nice article. Three things surprised me about what was otherwise a very uncontroversial article: 1) Networking and grid computing was not deemed applicable to mathematics (I don't disagree, I'm just interested that this was the observation of the author). 2) There was no attempt to hi

[sage-devel] Re: LaTex representation for SymbolicFunctionEvaluation

Golam Mortuza Hossain wrote: > Hi all, > > I am trying to enhance the support for latex-formatting > of "SymbolicFunctionEvaluation" in Sage. In particular, > when their names match with Greek letters then Sage > should use formatting similar to the formatting of > "SymbolicVariable". > > In Ph

[sage-devel] LaTex representation for SymbolicFunctionEvaluation

Hi all, I am trying to enhance the support for latex-formatting of "SymbolicFunctionEvaluation" in Sage. In particular, when their names match with Greek letters then Sage should use formatting similar to the formatting of "SymbolicVariable". In Physics, we often use "psi(x)" to denote a wave-f

[sage-devel] Re: Lazy Infinite Power Series

On Mar 9, 5:42 am, "Nicolas M. Thiery" wrote: > What's the status of the merge of your implementations of power > series? I need a couple functionalities not yet in Mike's > implementation, and mainly: >  - conversion from a polynomial >  - division Actually I improved my powerseries package and

[sage-devel] Re: ZZ, RR, etc.: mathbb vs. mathbf

Because Bourbaki and Serre said so? Sorry guys but thats the strangest justificiation Iv ever heard. At the first place for me is understandability, which is often coupled with common use. Imho the \mathbb notation is the most widespread and most recognized variant. Another important aspect is una

[sage-devel] Re: Compilation problem with sage-3.4.spkg

Hi SAGE teamT. So I've tried to rebuild from scratch. I've encountered several times this error message : python: can't open file '/opt/sage-3.4/devel/sage/doc/common/ builder.py' (See lines number 31833 and 68522 from the log file). Notice I've been able to build "atlas" and "freetype" in prev

[sage-devel] Re: REDUCE now available under BSD-like license

I am an example for someone that does use both modes. I do symbolic derivations and transformations and then apply them to data, so I fancy a system where both symbolic evaluations and numerical approximations can be done transparently. If one is only interested in numerical evaluations, why n

[sage-devel] Re: REDUCE now available under BSD-like license

> It's all about acquiring a bigger audience in the applied fields. > There is certainly the impression out there that Sage is MAINLY a CAS > system (as opposed to a numerical system), and more geared towards > pure mathematicians than engineers, physicists, and applied > scientists. A separate an

[sage-devel] Re: review of Sage in IEEE journal

On Wed, 25 Mar 2009 at 07:30AM +, Minh Nguyen wrote: > Here's a review of Sage in the IEEE journal "Computing in Science & > Engineering": > > @article{Gray_2008, > title = {Sage: A New Mathematics Software System}, > author = {Michael Gray}, > journal = {Computing in Science & Engineering}, >

[sage-devel] review of Sage in IEEE journal

Hi folks, Here's a review of Sage in the IEEE journal "Computing in Science & Engineering": @article{Gray_2008, title = {Sage: A New Mathematics Software System}, author = {Michael Gray}, journal = {Computing in Science & Engineering}, year = {2008}, month = {Nov.-Dec. }, volume = {10}, number =