[sage-support] sage via ssh

the less said, ... How do I persuade Sage to knock it off? Thanks! Justin -- Justin C. Walker, Curmudgeon-At-Large, Director Institute for the Enhancement of the Director's Income The path of least resistance: it's not just for electricity any more. -- You receive

Re: [sage-support] Re: sage via ssh

Thanks for the reply, Dima. On Apr 13, 2017, at 02:14 , Dima Pasechnik wrote: > > > On Thursday, April 13, 2017 at 4:43:06 AM UTC+1, Justin C. Walker wrote: >> >> Hi, all, >> >> I just tried to ssh between two of my macOS systems. They use different >

Re: [sage-support] Discrete Logarithm

be helpful in times like this. Also, Cohen's "Course" is a great place to look. HTH Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- If it weren't for carbon-14, I wouldn't date at all. --- -- You received

Re: [sage-support] sage install error

/en-us/KM205142?cid=acs::applesearch> -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds -- Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote. -- You received this message because

Re: [sage-support] commend to get eigen values for matrix

a double question mark gets you doc with code. Play around with it; ask more questions. See also <http://ask.sagemath.org> as another place to ask. HTH Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- I want to die, peacefully in my

Re: [sage-support] has_linear_structure() trace

ction after , works perfectly. > Could you please assist ? Thank you in advance. FWIW, I tried this on Sage 8.0 (macOS 10.11.6), and did not have a failure (the result was ‘True’). What version of Sage are you using, what system (OS, hardware) and versions? -- Justin C. Walker Curmudgeon-at

Re: [sage-support] unable to install sagemath, segmentation faults

am running MacOS 10.6.8 > > the binary that I used were : I am pretty sure that code built for 10.11.6 won’t run on 10.6.8. I have both of those systems, and the latest Sage I have on the latter is 6.10. HTH Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Absorp

Re: [sage-support] Is this a bug?

gt; there are ones that don't have any special variables like Sage's 'x’. I am mildly in favor of dropping this predefinition (FWIW). Also, for this discussion, one can always access the variable by something like this: sage: x=P.variables()[0] Justin -- Justin C. Walker, Curmu

Re: [sage-support] Working with polynomials (or at least trying to)

elp is welcome. Answered, possibly, on sage-devel... -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- My wife 'n kids 'n dogs are gone, I can't get Jesus on the phone, But Ol' Milwaukee's Best is my best friend. -

Re: [sage-support] Working with polynomials (or at least trying to)

nly interfere with obtaining inverses. Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement of the Director's income --- Question 43: What if the hokey pokey really *is* what it’s all about? -- -- You received this message because you are subscribed to t

Re: [sage-support] Working with polynomials (or at least trying to)

d??) I believe that the Euclidean algorithm assumes the underlying ring is Euclidean (which in turns requires no zero divisors). In the Hoffstein-et al article, they mention using an "easy modification" of said algorithm to compute inverses, an exercise, I suppose, for the really-intere

Re: [sage-support] Working with polynomials (or at least trying to)

ugh or at least provide the > illusion that I did it ;) Be careful with that. As it is written: absinthe makes the heart go wander... -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- I'm beginning to like the cut of his jibberish.

Re: [sage-support] sage 6.6: error building r

unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-support. > For more options, visit

Re: [sage-support] sage 6.6: error building r

svn) Target: x86_64-apple-darwin14.3.0 Thread model: posix -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- Like the ski resort full of girls hunting for husbands and husbands hunting for girls, the situation is not as symmetrical as it might s

Re: [sage-support] Re: sage 6.6: error building r

nately, this does not help the big picture, as I am loath to > compile R with a different compiler than everything else. I see the same thing (but with the 6.3 command-line tools). Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Absorption of Federal Funds Men

Re: [sage-support] Sage 5.9

ting Sage 5.9 is out of service temporarily. Try again later. HTH Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement of the Director's income --- -- They said it couldn't be done, but sometimes, it doesn't work out that way. - Casey Stengel -

Re: [sage-support] Re: Create modules

tand problem. (Minimal) Examples are useful to help us determine the problem you are seeing. In addition, Sage version and platform (hardware, OS version) help. HTH Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- I want to die, peacefully

Re: [sage-support] SageMathCloud questions: plots, init.sage, etc

oughts? This is probably obvious, but: is the above literally what you used, or is the space after "=" creeping in during message creation? HTH -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's Income Experience is

Re: [sage-support] Question about Casting over Finite Field

71*r1406 - > 26113332388244438/463809428587234113*r1408 + > 180996540766820643/154603142862411371*r1409 Does this help? K=GF(2) Kz.=PolynomialRing(K) Qx.=PolynomialRing(Rationals()) f=x^3-1 f1=Kz(f) Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's

[sage-support] TAB completion

after searching the doc, I am lost in a twisty maze of passages, all looking strangely similar. Suggestions or clues welcome. Thanks! Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- If it weren't for carbon-14, I wouldn't d

Re: [sage-support] TAB completion

uld document it somewhere. > Meanwhile, I found out about it by reading the file > ./sage/ipython-3.2.1/README (is that "./sage" or ".sage"?) It did; I'm back to where I was (at some point in the dim past). Documentation would be good. We wandered around the IPytho

Re: [sage-support] No Output with the following Integral

On Mar 11, 2016, at 08:14 , Chris Maness wrote: > b=var('b') ; assume(b > 0) ; integrate(1/(x^2+b^2),x,-oo,oo) Sage version? OS version? Hardware? FWIW, I tried this on Sage 6.10, OS X 10.6.8 (Mac Pro). HTH -- Justin C. Walker Curmudgeon-at-large -- Network, n., Differe

Re: [sage-support] No Output with the following Integral

On Mar 11, 2016, at 08:49 , Justin C. Walker wrote: > > On Mar 11, 2016, at 08:14 , Chris Maness wrote: > >> b=var('b') ; assume(b > 0) ; integrate(1/(x^2+b^2),x,-oo,oo) > > Sage version? OS version? Hardware? > > FWIW, I tried this on Sage 6.10, OS

Re: [sage-support] No Output with the following Integral

see if that works. At this point, I have no idea what could be wrong... Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement of the Director's Income --- Nobody knows the trouble I've been --- -- You received this message because y

Re: [sage-support] No Output with the following Integral

as nothing goes worng :-}). I just do "make" (with a "-j" factor to build in parallel; and if it breaks, take out the "-j", or cut down the number of threads). I would consider building in a separate location, in case of breakage - you would at least have a mor

Re: [sage-support] Installation problem on Mac OS X

for the shell to properly interpret it). Since this shows up right after the "last login" line, it appears this is in your startup sequence somewhere (see Volker's response). Was this the sage binary or the sage ".app"? HTH -- Justin C. Walker, Curmudgeo

[sage-support] spec.an_element()

coordinate ring is not the rational integers, it punts and assumes the zero-ideal is prime in that ring. Thanks for confirmation or firm smacks! Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- If it weren't for carbon-14, I wou

Re: [sage-support] spec.an_element()

On Mar 31, 2016, at 12:33 , William Stein wrote: > On Thu, Mar 31, 2016 at 12:31 PM, Justin C. Walker wrote: >> Dear Sage Support: >> >> Just checking, but this seems wrong: >> >> sage: R12=Integers(12) >> sage: Spec12=Spec(R12) >> sage: Spec12

Re: [sage-support] is_prime() error

his > happens. I’m not sure this will help, but in Magma: > p1:=211859; > > q:=(p1-1)/2; > p1; 211859 > q; 105929 > IsPrime(p1); true > IsPrime(q); false > Type(p1); RngIntElt > Type(q); FldRatElt

Re: [sage-support] Re: matrix function

ke this: def r(theta): return cos(theta/2)*s0 - I*sin(theta/2)*sy Check the doc at python.org (function definition, ...). HTH Justin -- Justin C. Walker, Curmudgeon-At-Large, Director Institute for the Enhancement of the Director's Income The path of least resistanc

Re: [sage-support] Building Sage 7.2 from source: Round 2

uccessive error messages: I have not checked every one of these errors, but in the cases I have checked, the missing files are present in a fresh unpacking of the tarball. Maybe I missed something earlier in the discussion, but have you checked whether they are present before you start a build? Just

Re: [sage-support] run SU as_permutation_group has error

27;ve read the manual; the error message you got should give you a clue, and suggest reading the manual to find out what this procedure does and what the arguments are for. What are you trying to achieve? Justin -- Justin C. Walker, Curmudgeon-At-Large, Director Institute for the Enhancement

Re: [sage-support] Re: Can't open SageaMath 7.22

more I can add? FWIW, sage does complain about the version of GPM in use (it wants version >= 5) for security's sake. HTH Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement of the Director's Income --- If you don't know where you

Re: [sage-support] Magma in Sage

tation that > tells what kind of things Sage can do with magmas? Search for “magma” in the reference manual. This will give you pointers to both Magma usage from Sage, and to support for “magmas” in Sage. HTH -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement o

Re: [sage-support] (William Stein) "my top priority right now is to **make a lot of money**"

ot; group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-support. >

Re: [sage-support] PALP database for 4D reflexive polytopes?

ribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at http

Re: [sage-support] Re: Bug(?) in the division of polynomials with the TermOrder('neglex')

lar/3-1-3/LIB/.singularrc > ring R=0,x,dp; // ** redefining R ** > poly f1=(1/2)+x; > poly f2=1+2*x; > f1/f2; 1/2 FWIW. Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- I want to die, peacefully in my sleep, like my grandf

[sage-support] Development process

, and then updated it (how?) to the develop branch? I have read the TentativeConventions page on the wiki, but it seems to be slightly outdated. Pointers, advice, etc. are more than welcome. Thanks in advance, Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the E

Re: [sage-support] Re: Development process

On Dec 6, 2016, at 14:36 , Dima Pasechnik wrote: > I'll comment on how to use plain git > http://doc.sagemath.org/html/en/developer/manual_git.html#git-the-hard-way > > On Tuesday, December 6, 2016 at 9:03:46 PM UTC, Justin C. Walker wrote: >> >> Hi, all, >>

Re: [sage-support] Setting end variable on print

. However, when I do this, I get an > error saying > > print("hi", end = "") > ^ > SyntaxError: invalid syntax I believe that the Python syntax is print "hi", (at least for Python 2; not sure about v. 3). HTH Justin -- Justin C. Walk

Re: [sage-support] Re: Running %magma mode in terminal

Mac generally will do something like "duplicate". For Terminal (and many components with a "text edit"-like interface), ^D will signal end-of-file. Not sure what the appropriate thing is for any of the notebook interfaces for Sage. HTH Justin -- Justin C. Walker, Curmudgeo

Re: [sage-support] Quadratic form polynomial

t;Number theory: an approach..." discusses this (from an historical perspective). -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- I want to die, peacefully in my sleep, like my grandfather; not screaming in terror, like his passengers.

Re: [sage-support] Quadratic form polynomial

On Feb 2, 2017, at 23:30 , Christophe Bal wrote: > Hello. > > Who is the author of the quote "I would like to die. ..." ? Got on a bumper sticker on the Information Superhighway... -- Justin C. Walker, Curmudgeon-At-Large Director Institute for the Enhancement of th

Re: [sage-support] Can sage's palp decompress these polytopes?

ck the documentation at <https://docs.python.org/2/library/index.html> (Sec 15.2 and possibly other places). You don't say how familiar you are with programming, Sage, and Python, so I stuck with the simple stuff. Ask here for more clarification, as needed. HTH Justin -- Justin C. Walk

Re: [sage-support] OS X 10.12

'll guess that someone built the Sage system, and then you (?) moved it, as indicated. As the message says, if you run Sage, and then move that tree somewhere else, it does what you saw: complain and stop. When run for the first time, Sage tells you that it is "hardcoding paths&q

[sage-support] Re: Problem

ntedError > NotImplementedError This looks like a bug: sage: for n in range(1,10): print n, isqrt(Integer(n)) : 1 1 2 1 3 1 4 2 5 2 6 2 7 2 8 2 9 3 isqrt() doesn't like 'int' arguments. Thoughts? Ju

[sage-support] Re: exemple from prog.pdf does not work

On Jun 30, 2008, at 09:47 , ibrahim wrote: > Trying to execute the exemple of page 33 : hello.spyx produces this > error : > > Loading of file "/Users/ims/.sage/hello.spy" has type not implemented. > > nb : page 33 I'm not familiar with the error, but if the above is a copy/paste of the error

[sage-support] Re: about functions evaluation

On Jul 18, 2008, at 12:04 , aniura wrote: > I have no experience in sage, I began to use it two days ago because I > need arbitrary precision arithmetic and Octave is not so god for > that. There are a number of good Python tutorials and other doc available. Check the site

[sage-support] Re: How to change PATH from Sage?

H']=XXX + ":/tmp" Now, when you type "!boink", the shell that gets invoked with get set up with a PATH that includes "/tmp", so that the command "/tmp/boink" will be executed (if it exists). The effects of this change will be seen in any subseq

[sage-support] Re: How to change PATH from Sage?

odule. Can this be the reason why it >> didn't work (different name space)? > > Apparently it was a misprint: It works now, even when i do it in a > module. That's good. I would be hard-pressed to explain why 'os' (which should be global) would have different

[sage-support] Mercurial problems in 3.1.2

on libpng12.0.22.0.dylib!! My head hurts. Anyone seen this? Justin -- Justin C. Walker, Curmudgeon-At-Large, Director Institute for the Enhancement of the Director's Income The path of least resistance: it's not just for electricity any more. --~--~-~--~--

[sage-support] Re: Mercurial problems in 3.1.2

On Sep 21, 2008, at 23:35 , mabshoff wrote: > On Sep 21, 11:27 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote: [snip] >> Anyone seen this? > > This is the same crap issue you hit when building 3.1.2.rc-something, > i.e. emacs is linked against Apple'

[sage-support] Re: Sage editor

ndow will get you to the 'inspector'; click the settings tab, and double-click the window style you are using. The Keyboard tab in the resulting panel has a "option as meta" check-box. Justin ("Intuitive, right?")

[sage-support] Re: Sage editor

Oops. Forgot one thing... On Sep 22, 2008, at 20:18 , Justin C. Walker wrote: > On Sep 22, 2008, at 18:19 , Jason Grout wrote: [snip] >> What is the "meta" key in OS X? For me, pressing escape (my meta >> key) >> and then b takes me back a word. Does option

[sage-support] Re: Mercurial problems in 3.1.2

On Sep 21, 2008, at 23:35 , mabshoff wrote: > On Sep 21, 11:27 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote: > This is the same crap issue you hit when building 3.1.2.rc-something, > i.e. emacs is linked against Apple's libnpng while launching it from > hg

[sage-support] Re: Mercurial problems in 3.1.2

On Sep 22, 2008, at 21:33 , mabshoff wrote: > On Sep 22, 8:41 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote: >> On Sep 21, 2008, at 23:35 , mabshoff wrote: [snip] >> >> I'll guess that it's a difference between versions (1.2.22 vs. >> 1.

[sage-support] Re: Mercurial problems in 3.1.2

wn up numpy build with parallel make I could attempt > to figure out what is wrong. See sage.math.washington.edu:~justin/logs/sage-numpy.log (the whole shebang; maybe something early on triggered it :-}). Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of t

[sage-support] Re: How do I extend an extension field?

Polynomial Ring in u over Finite Field in a of size 2^7 with modulus u^2 + u + 1 sage: a in F2 True HTH Justin -- Justin C. Walker, Curmudgeon-At-Large, Director Institute for the Enhancement of the Director's Income The pa

[sage-support] Re: How do I extend an extension field?

do what I showed earlier is sage: F1. = GF(2^7) sage: P1.=PolynomialRing(F1) sage: f=x^2+x+F1(1) sage: F2=F1.extension(f,'u') sage: F2 Univariate Quotient Polynomial Ring in u over Finite Field in a of size 2^7 with modulus u^2 + u + 1 sage: a in F2 True (which I just verified in a

[sage-support] Re: How do I extend an extension field?

only get "1" or "0". I think 'messy' is understating things. This seems like a bug. I've created Trac #4218 for this problem. Thanks for reporting this. Justin -- Justin C. Walker, Curmudgeon-At-Large Director Institute for the Enhancement of the Director&#x

[sage-support] Re: Problem with python recursion

t; is "inexact", and therefore, so will be "i*h", and so on. That's why "n == 0" doesn't work for you. David's suggestion (h=1/10) does work because the results are "exact". HTH Justin -- Justin C. Walker, Curmudgeon-At-Large Director Institute f

[sage-support] Re: problem with plot3d

and I can run plot3d() without apparent problems. Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement of the Director's income --- -- They said it couldn't be done, but sometimes, it doesn't work out t

[sage-support] Re: Using Sage with a large number of undergraduate students.

> I don't think anyone has done any serious profiling of the notebook so > I think that conclusion is quite a bit premature. One thing that > might be helpful would be to run the notebook under Solaris with > DTrace. FWIW, you can also use DTrace as well on Mac OS X, 10.5, as we

[sage-support] Re: plot problem with points and contours

mplicit plot > comes up as a black ellipse for me (3.1.2 and 3.1.3rc0). I don't > think > it should be filled, though, as it should be a plot of x^2/4+y^2/9==1, > not <=1. Is anyone else seeing that problem? I see the Black Blot in 3.1.3.rc0 as well. Justin -- Justin C. Walker

[sage-support] Re: display 3d graphics in TeXmacs sage plugin

lse > show up. It's hard for anyone to guess what the problem is without knowing what it is you are doing. Can you post a "minimal Sage example" that shows the problem? Thanks. Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Absorption of Federal Funds ---

[sage-support] Using Sage on Windows

be done? The obvious doesn't work ("/home/user/D:/Documents/..." not found). Suggestions? Pointers? Thanks, as always. Justin -- Justin C. Walker, Curmudgeon-at-Large () The ASCII Ribbon Campaign /\ Help Cure HTML Email --~--~-~--~~~---~--~--

[sage-support] Re: Using Sage on Windows

Thanks, William, On Oct 27, 2008, at 4:26 PM, William Stein wrote: > On Mon, Oct 27, 2008 at 4:23 PM, Justin C. Walker <[EMAIL PROTECTED]> > wrote: >> I am helping someone who has a Windows system, and wants to use Sage. >> >> She has the VMWare gizmo set up and

[sage-support] Re: Using Sage on Windows

On Oct 27, 2008, at 17:32 , Jason Grout wrote: > > Justin C. Walker wrote: >> Thanks, William, >> >> On Oct 27, 2008, at 4:26 PM, William Stein wrote: >>> On Mon, Oct 27, 2008 at 4:23 PM, Justin C. Walker <[EMAIL PROTECTED]> >>> wrote: >>

[sage-support] Re: Using Sage on Windows

On Oct 27, 2008, at 17:50 , Timothy Clemans wrote: > > You can also SFTP into the virtual machine. I remember seeing that in > the readme. That's worth a shot. Thanks! Looks like the 'readme' on the Sage site details the necessary steps. Justin -- Justin C. Wal

[sage-support] Re: Using Sage on Windows

On Oct 27, 2008, at 23:32 , William Stein wrote: > > On Mon, Oct 27, 2008 at 7:26 PM, Jason Grout > <[EMAIL PROTECTED]> wrote: >> >> Justin C. Walker wrote: [snip] >> I believe that it will be uploaded/downloaded to the $DATA >> directory, so >>

[sage-support] Re: Apostrophe in docstring?

;, foo(3) returns 9; with ''', foo(3) returns 1 ! It seems that the ''' docstring causes the definition to bypass Sage, while with the """ docstring, the definition is handled by Sage. Is that possible? Justin -- Justin C. Walker, Curmudgeon

[sage-support] Re: Apostrophe in docstring?

ser gets confused with too many single quotes (Sage parser problem) - can't assign to a function (language definition problem) Does Sage permit "f(x) = x^3"? Python doesn't, I think. Justin On Oct 30, 2008, at 07:49 , Justin C. Walker wrote: > > > On Oct 30, 200

[sage-support] Re: Apostrophe in docstring?

ing the quotes, as well as the reuse of formal variables :-}, from the picture makes things a bit clearer. It does look like there's a confusion arising in the parser when too many quotes intrude...FWIW, if I use two 's in the doc string, things work correctly (or, at least, as expe

[sage-support] Re: manipulating dictionaries (bug?)

eed to use 'deepcopy()'. HTH Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- Like the ski resort full of girls hunting for husbands and husbands hunting for girls, the situation is not as

[sage-support] Re: manipulating dictionaries (bug?)

3], [4, 17, 6], [7, 8, 9]] sage: LL[0]=1 sage: LL [1, [4, 17, 6], [7, 8, 9]] sage: L [[1, 2, 3], [4, 17, 6], [7, 8, 9]] Justin -- Justin C. Walker, Curmudgeon at Large Director Institute for the Enhancement of the Director's income -

[sage-support] Re: like prolog

d one "integrate" the functional package with the rest of Sage). HTH Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- I'm beginning to like the cut of his jibberish. --- --~--~-~--~~~-

[sage-support] Re: problems with implicit_multiplication

is should be supported from Sage 3.0 onward. I notice that this sequence gives the error you report on Sage 2.8.15, so if you need this to work, you should upgrade. HTH Justin -- Justin C. Walker, Curmudgeon-at-Large () The ASCII Ribbon Campaign /\ Help Cure HTML Email --~--~-

[sage-support] Re: need helps in optimizing speed

: timeit(" lspec(2799734567890)") 625 loops, best of 3: 1.24 ms per loop sage: timeit(" sspec(2799734567890)") 625 loops, best of 3: 1.13 ms per loop (This is on a 3GHz Dual Quad Xeon, so YMMV). sspec() is the version with the square root computed outside the loop. HTH Just

[sage-support] Re: problem with for

ents(SL(3,7)) or AsList(SL(3,7)) (the latter presumably being faster, but I didn't have the patience to wait :-}), you will see what I mean. HTH Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Absorption of

[sage-support] Re: hardware factors that affects the speed of running SAGE

il to Dad asking for money (think "Dad == NSF") :-}. As an aside, if you run Mac OS X, you can use Activity Monitor to see what your processors are doing. Select the "floating CPU window' in the Window menu. This gives you a bar graph, one bar for each processor or cor

[sage-support] Re: hardware factors that affects the speed of running SAGE

On Nov 29, 2008, at 11:37 , Robert Bradshaw wrote: > > On Nov 29, 2008, at 11:26 AM, Justin C. Walker wrote: > >> On Nov 29, 2008, at 07:35 , pong wrote: >> >>> Hi, >>> >>>I wonder if SAGE is optimized for multi-core CUPs (people told

[sage-support] Re: hardware factors that affects the speed of running SAGE

ance compared to systems with better architectures. There are tools to analyze system performance, but it takes some skill and a lot of practice to infer the causes of "low" performance like this. Justin -- Justin C. Walker, Curmudgeon-At-L

[sage-support] Re: Fwd: A sage question

) M = MS.random_element() HTH Justin -- Justin C. Walker, Curmudgeon-At-Large Director Institute for the Enhancement of the Director's Income "Weaseling out of things is what separates us from the animals. Well, except the

[sage-support] Re: Where may that segfault come from?

binding is really late, so you don't get an error message where you might expect it. Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's Income When LuteFisk is outlawed, Only outlaws will have LuteFisk --~--~-~--

[sage-support] Re: sage ecm-interface

=10, polynomial x^1, sigma=3668583302 ... It's likely that the "expect" interface is running into the same limit, since it uses the tty sub-system. All those "bings" are a signal from the system (tty driver) that it's choking, and isn't reading what you are

[sage-support] Re: sage ecm-interface

On Dec 16, 2008, at 07:44 , William Stein wrote: > > On Tue, Dec 16, 2008 at 7:41 AM, Justin C. Walker > wrote: >> >> >> On Dec 16, 2008, at 07:17 , William Stein wrote: >> >>> >>> On Tue, Dec 16, 2008 at 12:50 AM, achrzesz wrote: >&g

[sage-support] Re: Problem Running with nohup on OSX.5

; before the process terminates. Adding the flush() might change the timing of writes to the file system, but shouldn't change the "correctness" of the operations. Am I missing something about the way Python works? Justin -- Justin C. Walker, Curmudgeon at Large Director I

[sage-support] Jumpy Notebook on Mac OS X

configuration foo that I'm missing? Thanks! Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds -- Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the

[sage-support] Re: Jumpy Notebook on Mac OS X

On Jan 10, 2009, at 15:48 , William Stein wrote: > > On Sat, Jan 10, 2009 at 2:26 PM, Justin C. Walker > wrote: >> >> Hi, all, >> >> When using the Notebook interface on Mac OS X, I find that once the >> cells have filled the visible part of a web page

[sage-support] Re: Jumpy Notebook on Mac OS X

On Jan 10, 2009, at 16:26 , Jason Grout wrote: > > Justin C. Walker wrote: >> Hi, all, >> >> When using the Notebook interface on Mac OS X, I find that once the >> cells have filled the visible part of a web page, the notebook >> becomes >> somewhat d

[sage-support] Re: question about visualization/animation of surfaces

le where we can point a per user tmp dir to. So you might want > to open a ticket for the above in order to avoid various people doing > the same thing in their own code over and over again. Python has several calls to make temporary files that will not be clobbered by other users or uses

[sage-support] Re: question about visualization/animation of surfaces

On Jan 15, 2009, at 19:34 , mabshoff wrote: > > > > On Jan 15, 7:31 pm, "Justin C. Walker" wrote: >> On Jan 15, 2009, at 19:02 , mabshoff wrote: > > > >>> Just use /tmp or DOT_SAGE/tmp, but create a directory in it so you >>> don't

[sage-support] Re: question about visualization/animation of surfaces

On Jan 15, 2009, at 19:52 , William Stein wrote: > > On Thu, Jan 15, 2009 at 7:34 PM, mabshoff > wrote: >> >> >> >> On Jan 15, 7:31 pm, "Justin C. Walker" wrote: >>> On Jan 15, 2009, at 19:02 , mabshoff wrote: >> >> >> &

[sage-support] Re: question about visualization/animation of surfaces

On Jan 15, 2009, at 22:58 , mabshoff wrote: > > > > On Jan 15, 10:52 pm, "Justin C. Walker" wrote: >> On Jan 15, 2009, at 19:52 , William Stein wrote: > > > > Hi, > >> If the temp files are truly temp files (i.e., not of interest when >&

[sage-support] Re: question about visualization/animation of surfaces

On Jan 16, 2009, at 9:36 AM, Carl Witty wrote: > > On Jan 15, 10:52 pm, "Justin C. Walker" wrote: >> If the temp files are truly temp files (i.e., not of interest when >> the >> process that creates them exits), then there are Python calls that >>

[sage-support] Re: question about visualization/animation of surfaces

On Jan 16, 2009, at 9:40 AM, mabshoff wrote: > > > > On Jan 16, 9:36 am, Carl Witty wrote: >> On Jan 15, 10:52 pm, "Justin C. Walker" wrote: > > Hi, > >>> If the temp files are truly temp files (i.e., not of interest >>> when the >

[sage-support] Re: Traceback (most recent call last): /home/sage/sage/local/lib/python2.5/site-packages/sage/calculus/calculus.py

ge. Replace "" with the full pathname of the file you created (no "<,>"). Until we have an exact copy of the code you are using, it will be difficult to reproduce your problem (I cannot, given the code in both of your messages). Justin -- Justin C. Walker

[sage-support] Re: symbolic matrix multiplication in sage

mbolic Ring This seems to give you what you want: sage: M = Matrix(SR,2,2,[x,y,z,w]) sage: M [x y] [z w] sage: M*M [y*z + x^2 x*y + w*y] [x*z + w*z y*z + w^2] sage: M^-1 [ w/(w*x - y*z) -y/(w*x - y*z)] [-z/(w*x - y*z) x/(w*x - y*z)] HTH, Justin -- Justin C. Walker, Curmudgeon at Large D

[sage-support] Re: Trouble compiling GAP in SAGE 1.4 (CFLAGS)

d option: -mtune=k8 The spaces in CFLAGS is definitely the problem, but that isn't something we've run into before. Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's Income Experience is what you get when you don't get what y

[sage-support] Re: Trouble compiling GAP in SAGE 1.4 (CFLAGS)

On Oct 9, 2006, at 09:47 , Vanuxem Grégory wrote: > Le lundi 09 octobre 2006 à 09:06 -0700, Justin C. Walker a écrit : [snip] >> Please explain this: do you set CFLAGS yourself, or is this done by >> "configure" during the gap install step? > > I set it myself (i

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