Two items:
for i:1 thru 100 do integrate(cos(x),x); in Maxima
took 0.0100 seconds on my intel 3GHz system. so the time in maxima
for the computation is down around 0.1 ms.
I thought maybe the time is taken for parsing.
for i:1 thru 100 do parse_string("integrate(cos(x),x)");
takes about 0.0200 s
On 8 February 2010 18:15, Robert Bradshaw wrote:
>> I'm not sure what to make of all this. I'm basically confused!
>
>
> The above makes perfect sense to me. Python was able to find the OpenSSL
> include files (did you add /usr/sfw/include to the build scripts somewhere?)
> but not the library fi
On Feb 8, 10:22 pm, William Stein wrote:
> Yes it does.
Sorry for slandering the expect interface. I noticed that the expect
interface has a facility for reusing variables and that the maxima
expect interface doesn't use it. But you show that deletion does
happen, so no memorial benefit should be
On Mon, Feb 8, 2010 at 10:13 PM, Nils Bruin wrote:
> Finally we got to the cool stuff of running maxima in an embedded
> lisp: direct expression tree translation between SR and maxima. See:
> http://trac.sagemath.org/sage_trac/ticket/7377
> Timing improvements are disappointingly little: The trans
Hi,
There seems to be a problem with the 64 bits openSuSE 11.1 archive offered for
metalink download. I downloaded from the metalink page
http://www.sagemath.org/mirror/metalinks.html
the file
linux/64bit sage-4.3.2-linux-64bit-opensuse_11.1_x86_64-x86_64-Linux.tar.gz
The downlo
Finally we got to the cool stuff of running maxima in an embedded
lisp: direct expression tree translation between SR and maxima. See:
http://trac.sagemath.org/sage_trac/ticket/7377
Timing improvements are disappointingly little: The translation of the
expressions simply isn't all that big of a bot
Positive review, thank you!
Andrey
On Feb 8, 9:52 pm, William Stein wrote:
> On Mon, Feb 8, 2010 at 8:21 PM, Andrey Novoseltsev wrote:
> > Hello,
>
> > As of now show and view seem to do the same thing, yet show used to
> > produce displayed equations and I liked it mainly for bigger size of
>
> > Software Foundation. If the Program does not specify a version number of
> > this License, you may choose any version ever published by the Free Software
> > Foundation."
>
> I stand corrected.
>
> Dave
Me too.
William, thanks for the clarification, having read this part of
"Section 9" of th
On Mon, Feb 8, 2010 at 8:21 PM, Andrey Novoseltsev wrote:
> Hello,
>
> As of now show and view seem to do the same thing, yet show used to
> produce displayed equations and I liked it mainly for bigger size of
> fractions, but also for centering the output. Is there still a
> possibility to get th
Hello,
As of now show and view seem to do the same thing, yet show used to
produce displayed equations and I liked it mainly for bigger size of
fractions, but also for centering the output. Is there still a
possibility to get the old-style behaviour? There was some discussion
that show does not wo
On Sat, Feb 6, 2010 at 12:44 PM, Minh Nguyen wrote:
> Hi folks,
>
> A recent news item
And a follow-up:
http://arstechnica.com/apple/news/2010/02/mozilla-finally-dropping-104-support-with-next-ff-release.ars
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Keepfloat is explicitly set to false in the solve program, and the
comments in the source code say so.
Also ratfac is set to false.
The usefulness of keepfloat in some circumstances is undeniable,
though whether
the behavior of floats in this particular case is a bug or not might
be worth discussi
On Feb 8, 8:53 am, kcrisman wrote:
> It sounds like in solve this is not likely to be changed, but it is
> interesting to see it show up elsewhere. Perhaps Robert D. has some
> insight - I don't want to file a Maxima bug ticket if it isn't
> considered a bug.
It seems likely to me that the beha
William Stein wrote:
On Mon, Feb 8, 2010 at 2:24 PM, David Joyner wrote:
On Mon, Feb 8, 2010 at 5:16 PM, Dr. David Kirkby
wrote:
Georg S. Weber wrote:
"... either version 2 of the License, or (at your option) any later
version ..."
Someone reviewed something I wrote for Sage, which I'd mark
On Mon, Feb 8, 2010 at 10:19 AM, Robert Bradshaw
wrote:
> On Feb 7, 2010, at 7:56 AM, Oscar Gerardo Lazo Arjona wrote:
>
>> I am studying quantum mechanics for the first time, and I would love to
>> have some software dedicated to solving quantum mechanics problems to make
>> my life easyer.
>>
>>
On Mon, Feb 8, 2010 at 2:24 PM, David Joyner wrote:
> On Mon, Feb 8, 2010 at 5:16 PM, Dr. David Kirkby
> wrote:
>> Georg S. Weber wrote:
>>>
>>> "... either version 2 of the License, or (at your option) any later
>>> version ..."
>>
>> Someone reviewed something I wrote for Sage, which I'd marked
On Mon, Feb 8, 2010 at 5:16 PM, Dr. David Kirkby
wrote:
> Georg S. Weber wrote:
>>
>> "... either version 2 of the License, or (at your option) any later
>> version ..."
>
> Someone reviewed something I wrote for Sage, which I'd marked as GPL 2. They
> wanted added "or (at your option) any later v
Hi folks,
I have pushed further changes to the rnotes repository [1]. Here is a
summary of the changes so far:
* The script is now called rnotes.py
* The script now maintains a list of contributors up to and including
Sage 4.3.2. After each release, this list should be updated to reflect
new con
Georg S. Weber wrote:
"... either version 2 of the License, or (at your option) any later
version ..."
Someone reviewed something I wrote for Sage, which I'd marked as GPL 2. They
wanted added "or (at your option) any later version".
Personally I can't see the point of this. It is stated in
On 8 Feb., 19:22, Simon King wrote:
> To put it differently, what I'd like to compute with in Sage is the
> category of Labelled Lattices (Labelled Posets would be fine as well),
> whose objects are labelled isomorphism classes of lattices ...
Sorry, the objects aren't isomorphism classes. But I'
> Example OS X names are:
>
> sage-4.3.2-OSX-32bit-10.5-i386-Darwin.dmg
> sage-4.3.2-OSX-32bit-10.5-PowerMacintosh-Darwin.dmg
> sage-4.3.2-OSX-64bit-10.6-i386-Darwin.dmg
>
> The script I wrote *ONLY* has anything to do with this part of the
> name: "sage-4.3.2-OSX-32bit-10.5".
> The Sage "sage-bdis
On Mon, Feb 8, 2010 at 11:19 AM, kcrisman wrote:
>> > After procrastinating 3 years, I finally wrote a script to create
>> > bdist's with fairly canonical names on different platforms. It's
>>
>> > http://boxen.math.washington.edu/home/wstein/bin/botdist
>>
>
> Nice!
>
>> Hooray!
>>
>> Please ad
> > After procrastinating 3 years, I finally wrote a script to create
> > bdist's with fairly canonical names on different platforms. It's
>
> > http://boxen.math.washington.edu/home/wstein/bin/botdist
>
Nice!
> Hooray!
>
> Please add the following change/distinction: instead of "...-
> PowerMa
On 8 Feb., 17:20, William Stein wrote:
> Hi Sage-Devel (and MPIR-devel),
>
> Recently, there have been baseless and unsubstantiated accusations
> (e.g., on the GMP websitehttp://gmplib.org/) that LGPL v3+ licensed
> GMP code is being used illegally in MPIR (which we ship with Sage)
> under an LGPL
On 8 Feb., 03:33, William Stein wrote:
> Hi,
>
> After procrastinating 3 years, I finally wrote a script to create
> bdist's with fairly canonical names on different platforms. It's
>
> http://boxen.math.washington.edu/home/wstein/bin/botdist
>
> You just make sure it is in your PATH, and from
Hi Rob!
On Feb 8, 6:04 pm, Rob Beezer wrote:
> There's a patch that involves both graph output and posets at
>
> http://trac.sagemath.org/sage_trac/ticket/7004
>
> but I think any labeling might be more for presentation (rather than
> isomorphisms).
Yes, that's my impression as well. For my appl
On Feb 7, 2010, at 7:56 AM, Oscar Gerardo Lazo Arjona wrote:
I am studying quantum mechanics for the first time, and I would love
to have some software dedicated to solving quantum mechanics
problems to make my life easyer.
AFAIK Cadabra is the only free software dedicated to this:
http://
On Feb 7, 2010, at 3:29 AM, Dr. David Kirkby wrote:
Robert Bradshaw wrote:
On Feb 6, 2010, at 2:09 PM, Dr. David Kirkby wrote:
Robert Bradshaw wrote:
On Feb 6, 2010, at 12:53 PM, Dr. David Kirkby wrote:
Dr. David Kirkby wrote:
Robert Bradshaw wrote:
On Feb 6, 2010, at 3:58 AM, Dr. David Ki
There's a patch that involves both graph output and posets at
http://trac.sagemath.org/sage_trac/ticket/7004
but I think any labeling might be more for presentation (rather than
isomorphisms). But you might have a look all the same, since my
impressions could be wrong (either way). I think Nicol
Thanks for your efforts, Dmitrii -- I will create a ticket since this
must be fixed.
John
On 8 February 2010 16:45, Dima Pasechnik wrote:
> IHMO it's just the usual fp hell: data gets moved from registers into
> memory and back, etc (but maybe I am wrong here, don't know)
>
> Anyway, there is a
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Hi there,
I'm doing some cleanup in the computation of the hash value for various parent
in sage (see #8120 and followup). A technical question came up: suppose that
some object is inserted is a hash table (eg: some cache) and that the whole
table is pickled. Do we have to ensure that upon u
IHMO it's just the usual fp hell: data gets moved from registers into
memory and back, etc (but maybe I am wrong here, don't know)
Anyway, there is a way to avoid taking sqrt at all, just solve the
equation f(x^2)=0, not f(x)=0.
Dmitrii
On Feb 8, 11:26 pm, YannLC wrote:
> > It can do sqrt(-734/
On Feb 8, 5:29 am, Burcin Erocal wrote:
> If we use number fields for algebraic numbers, then the degree of the
> extension over QQ grows to unreasonable values rather quickly. E.g.,
> if we add \sqrt{2}, \sqrt[3]{2}, sqrt[5]{2}, ... the degree will be
> proportional to factorial(n). Though, I wou
On Mon, Feb 08, 2010 at 02:51:31AM -0800, Jerome Lacoste wrote:
> Our background:
> ***
>
> We've been experimenting with an exercise generator for math students.
> Target age: <=18 years old at start.
> Our first version of the program uses a custom language and a ply (lex/
> yacc
Hi Sage-Devel (and MPIR-devel),
Recently, there have been baseless and unsubstantiated accusations
(e.g., on the GMP website http://gmplib.org/) that LGPL v3+ licensed
GMP code is being used illegally in MPIR (which we ship with Sage)
under an LGPL v2+ license. A response is being formulated.
> I noticed that "keepfloat: true" does not get always get honoured by
> maxima. A symptom:
>
> sage: integrate(cos(1.17*x),x)
> 0.854700854701*sin(1.17*x)
>
> (works as expected)
>
> sage: S=integrate(cos(1.17*x^2),x)
> sage: S
> -1/156*((5*I + 5)*sqrt(2)*sqrt(13)*erf((3/20*I -
> 3/20)*sqrt(2)*sqr
Burcin,
thanks for putting this into the tracker. I am not yet quite sure what
goes onto the discussion forum and what goes into the tracker.
I saw your comment that the shortcut notation has been deprecated for
over a year already. Do you know when it is planned to actually remove
it? Is there a
> It can do sqrt(-734/3), but fails on
> sqrt(-244.7? + 0.?e-39*I)
> for some reason.
>
> Dmitrii
It's worse than failing, it also changes the value:
sage: x = polygen(QQbar)
sage: f = 3*x^4 - 4*x^3 - 1046148*x^2 - 335575956*x - 30288853512
sage: rts = f.roots(multiplicities=False)
On Feb 8, 9:27 pm, John Cremona wrote:
> In 3.4.2 I get this:
>
> sage: x = polygen(QQbar)
> sage: f = 3*x^4 - 4*x^3 - 1046148*x^2 - 335575956*x - 30288853512
> sage: rts = f.roots(multiplicities=False)
> sage: [r.sqrt() for r in rts]
> ---
Hi Gustav,
On Sun, 7 Feb 2010 10:36:29 -0800 (PST)
Gustav Delius wrote:
> I wonder whether it would be possible to give a better error message
> when a user leaves out the multiplication operator in something like
> x(x+1). Perhaps somthing like: "Warning: you may have forgotten a
> multiplicati
>
>
> This site may be useful to you about istanbul
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Hi!
A quick search in the Sage reference manual did not reveal an answer,
so, I hope I can ask here:
If I am not mistaken, lattices are implemented in Sage (at least
Posets are, although they are not much documented). GAP can compute
the subgroup lattice of a finite group. Is there a method imple
Sorry for the confusion. Here is the executive summary:
The offending patch is not relevant to building the cddlib spkg. You
can skip or reverse it, makes no difference to building
cddlib-094f.p2.spkg
There is an updated cddlib-094f.p4.spkg in #8115 that fixes this and
more bugs and makes cddlib
On 8 Şubat, 12:51, Jerome Lacoste wrote:
> Hi all,
>
> We're trying to find a way to get sage to generate latex
> representation of numeric expressions without fully evaluating them.
>
> For example this would allow us to do something like render 1+5 in
> latex as $1+5$ instead of 6.
> Can someo
On 8 February 2010 13:29, Burcin Erocal wrote:
> Hi Nils,
>
> I'll leave the maxima floats question to the experts.
>
> On Mon, 8 Feb 2010 00:48:47 -0800 (PST)
> Nils Bruin wrote:
>
>> Incidentally,
>> sage: S.operands()[0].operands()[0].operands()[3].pyobject()
>> 5*I + 5
>> sage: type(S.operand
Hi Nils,
I'll leave the maxima floats question to the experts.
On Mon, 8 Feb 2010 00:48:47 -0800 (PST)
Nils Bruin wrote:
> Incidentally,
> sage: S.operands()[0].operands()[0].operands()[3].pyobject()
> 5*I + 5
> sage: type(S.operands()[0].operands()[0].operands()[3].pyobject())
> 'sage.rings.n
In 3.4.2 I get this:
sage: x = polygen(QQbar)
sage: f = 3*x^4 - 4*x^3 - 1046148*x^2 - 335575956*x - 30288853512
sage: rts = f.roots(multiplicities=False)
sage: [r.sqrt() for r in rts]
---
AttributeError
Jerome Lacoste wrote:
Hi all,
We're trying to find a way to get sage to generate latex
representation of numeric expressions without fully evaluating them.
For example this would allow us to do something like render 1+5 in
latex as $1+5$ instead of 6.
Can someone tell us if it's possible to ach
Hi Jerome,
On Mon, 8 Feb 2010 02:51:31 -0800 (PST)
Jerome Lacoste wrote:
> Hi all,
>
> We're trying to find a way to get sage to generate latex
> representation of numeric expressions without fully evaluating them.
>
> For example this would allow us to do something like render 1+5 in
> latex
Dima Pasechnik wrote:
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6395191
It's a bug, known for 4 years, and nobody is fixing it, it seems...
See: http://bugs.python.org/issue1759169
for some further reading.
Jaap
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Hi all,
We're trying to find a way to get sage to generate latex
representation of numeric expressions without fully evaluating them.
For example this would allow us to do something like render 1+5 in
latex as $1+5$ instead of 6.
Can someone tell us if it's possible to achieve this goal ? Maybe b
+1 for including MPC (initially as an alternative if that is deemed a
safer way to proceed).
John
On 8 February 2010 01:15, YannLC wrote:
>
> On Jan 7, 10:19 am, Alex Ghitza wrote:
>> This is maybe an obvious point, but I'll make it anyway:MPCis "brought
>> to you by the makers of MPFR". They
I noticed that "keepfloat: true" does not get always get honoured by
maxima. A symptom:
sage: integrate(cos(1.17*x),x)
0.854700854701*sin(1.17*x)
(works as expected)
sage: S=integrate(cos(1.17*x^2),x)
sage: S
-1/156*((5*I + 5)*sqrt(2)*sqrt(13)*erf((3/20*I -
3/20)*sqrt(2)*sqrt(13)*x) + (5*I - 5)*
On 7 February 2010 20:10, Peter Jeremy wrote:
> On 2010-Feb-04 23:56:27 +, "Dr. David Kirkby"
> wrote:
>>There is another maths library which can be linked, rather than using
>>-lm. That at least got around this for the previous case of this.
>
> For that matter, if anyone is aware of a suit
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