On Nov 8, 12:34 am, Tom Boothby wrote:
> I was referring to the webpage, and not the journal article, lest I be
> further accused of illicit drug use.
As RJF said, that's part of the standard documentation and goes back
as far as I can recall. It's in the Mathematica Book for version 2.
--
To
her authors off the top of my head
who have published descriptions of the algorithms used in
Mathematica.
Mark McClure
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gree with just
about
everything he said.
Mark McClure
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On Nov 23, 4:56 pm, Martin Rubey
wrote:
> Jaap Spies writes:
> > Ever heard of the word humor? Even without a smiley this is possible in
> > a message.
>
> I, as a german speaking, can see no humor in that post you link to.
I guess I didn't either. In the overall context of the post, the
stat
in the development of numerical software
(both commercial and free) for many years. Thus, I
really feel that your desire to "put Mathworks out of
business" is misdirected, particularly in the context
of your current grant proposal.
Mark McClure
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experiencing this?
I get the same behavior with plot3d and with parametric_plot3d.
I seem to recall mesh=True working properly a few versions
ago.
Mark McClure
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ng
'./sage -bdist 4.0', but there might be an environment
variable I need to set first? What is the correct command
sequence to build the app?
Thanks,
Mark McClure
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On May 30, 1:42 pm, Mike Hansen wrote:
> On Sat, May 30, 2009 at 10:28 AM, mark mcclure wrote:
> > On my Mac, Firefox opens up automatically. How do you access the
> > notebook on Windows, though? I haven't figured out how to do so,
> > presumably since the b
eb browser
> (go to the address noted above).
On my Mac, Firefox opens up automatically. How do you access the
notebook on Windows, though? I haven't figured out how to do so,
presumably since the browser is a native Windows application, while
S
On May 20, 6:19 pm, Stephen Forrest wrote:
> 2009/5/18 mark mcclure
>
> > Here are a couple of graph theoretic timing comparisons
> > between Sage 4.0.alpha0 and Maple 13. They were
> > performed on my Macbook Pro running OSX 10.4.11. They
> > indicate that Maple
On May 20, 9:57 am, Jason Grout wrote:
> Vinzent Steinberg wrote:
> > On May 19, 2:25 pm, mark mcclure wrote:
> >> On May 19, 2:08 am, Jason Grout
> >> Not necessarily. Evidently, there will be an API interface to
> >> Wolfram Alpha that would, presum
Sage interface to Alpha...
Not necessarily. Evidently, there will be an API interface to
Wolfram Alpha that would, presumably, have its own terms
of use. Although, exactly what the use of a programmatic
interface to a web-site that offers a lot of answers to
relatively vague questions is not
ory);
n := 5;
t := time();
mygraphs := NonIsomorphicGraphs(n, output = graphs, outputform =
graph);
time()-t
isomorphicpairs := false;
t := time();
for i to NonIsomorphicGraphs(n) do
for j from i+1 to NonIsomorphicGraphs(n) do
if IsIsomorphic(mygraphs[i], mygraphs[j]) then
isomorphicpairs
s command on
my 32 bit version. I expected this, since I've noticed the same
behavior in 64 bit Mathematica, Matlab, and C, but it makes me
wonder why we should be excited about 64 bit systems.
Mark McClure
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On May 2, 1:02 pm, Robert Dodier wrote:
> Maybe a different example is needed; Maxima can now
> compute such integrals.
Thanks Robert,
I did see on the Maxima discussion list back on February 20
that CVS Maxima could do these integrals. However, I checked
Maxima 5.18.1 on my Mac laptop and the
There's a lovely little article in the February 2009 issue
of the monthly on using integrals to approximate pi. The
author "discovers" some nice rational approximations of pi
by systmeatically searching through integrals of the
form
integrate(
(x^m * (1 - x)^n * (a + b*x + c*x^2))/(1 + x^2),
On Apr 29, 1:37 pm, William Stein wrote:
> On Wed, Apr 29, 2009 at 9:51 AM, mark mcclure wrote:
>
> > I think, though, that the statement that you need open source in order
> > to have verifiable results is not really true. The fact is that bugs are
> > found via experim
On Apr 29, 1:18 pm, John H Palmieri wrote:
> One interesting thing from this page, though:
>
> In[7]:= N[Sin[10^50], 20]
> Out[7]= -0.78967... (I can't copy and paste from that page, but this
> is how the number starts)
> In[8] := Sin[10.^50]
> Out[8] := 0.669369
>
> Sage doesn't get the right
On Apr 29, 11:06 am, William Stein wrote:
> On Wed, Apr 29, 2009 at 6:20 AM, mark mcclure wrote:
> > The Q&A session includes several pointed
> > questions surrounding open source and freedom of access
> > to data. Some folks here might find the responses
> > int
estion occurs about
1 hour 19 minutes into it.
Mark McClure
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= N P)
> [N == 1]
What about P==0?
That must be the interesting part. :)
Mark McClure
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F
the card. I found Robert Bradshaw's
code
for complex_plot in trac so, presumably you're working with a patched
or
otherwise more recent version.
The complex_plot looks great so I'm looking forward to trying it.
Mark McClure
--~--~-~--~~~---~--~~
To pos
On Mar 7, 5:47 pm, Robert Dodier wrote:
> mark mcclure wrote:
> > (%i1) integrate(1/x^3, x, 1, inf);
> > Integral is divergent
>
> It's been fixed in CVS, so it will be in the next release.
That's great Robert, thanks!
Mark
--~--~-~--~~~-
ent
version of Maxima but Sage, of course, displays
the same problem. Strangely, though:
-
(%i2) assume(p>1);
(%o2) [p > 1]
(%i3) integrate(1/x^p, x, 1, inf);
(%o3) 1/(p-1)
Mark McClure
--~--~-~--~~---
On Mar 2, 12:09 pm, Robert Miller wrote:
> My timings are showing different results than yours.
> ...
> What platform were you running your tests on?
Hey,
Just got back from a day of fun in the snow.
I can confirm your timing comparisons, when I run your code
on my machine. Makes me wonder if
On Feb 27, 7:44 am, mabshoff wrote:
> On Feb 27, 4:24 am, mark mcclure wrote:
>
> > The basic help mechanism doesn't seem to work in the the sage 3.3
> > notebook.
>
> I just checked and get the following on OSX:
>
> * the 3.3 notebook 3.3 started fro
On Feb 27, 7:44 am, mabshoff wrote:
> On Feb 27, 4:24 am, mark mcclure wrote:
> Overall I am tending to disable App bundles for 3.4 per default due to
> time constraints and get it back to default for 3.4.x once the kinks
> have been worked out. Thoughts?
I do like the app; I assu
On Feb 27, 7:57 am, mabshoff wrote:
> On Feb 27, 4:44 am, Jason Grout wrote:
> > So it seems that your timings indicate that Networkx's isomorphism
> > checker is faster than the Sage one, even if we convert to c_graphs. Is
> > that right?
>
> > That's embarrassing; I thought we had the "fastes
e error
below in the Sage 3.3 notebook.
I'm running Sage 3.3 (upgraded from 3.3.rc2) in Sage.app on my
MacBook Pro running OSX 10.4.11.
Mark McClure
-- Error message
Traceback (most recent call last):
File "", line 1, in
File "/Users/mar
On Feb 26, 11:35 pm, Jason Grout wrote:
> What is the Networkx timing? That seems like the best.
That's just straight up NetworkX run independently of Sage.
Of course, the code is almost identical.
Mark
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On Feb 26, 9:35 pm, Robert Miller wrote:
> Between Sage 3.1.1 and 3.2.3, the background implementation
> of graph isomorphism was completely switched over. ...
> if the input graphs are based on NetworkX graphs, it will
> go much more slowly than it used to. For maximum speed in
> is_isomorphic,
de:
%time
result = false
for i in xrange(0,len(some_graphs)-1):
for j in xrange(i+1, len(some_graphs)):
if some_graphs[i].is_isomorphic(some_graphs[j]):
result = true
break
if result:
break
result
Ma
On Feb 24, 12:25 am, William Stein wrote:
> My recollection is hazy, but I strongly suspect the very issue you
> posted about was a problem in some of the rc* releases caused by
> upgrading matplotlib (and changes to libpng), that were subsequently
> fixed.
Yeah, I ran 'sage -upgrade' and all is
aps, I'll compile the latest tomorrow and see if the problem
persists.
Thanks,
Mark McClure
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over to my desktop where I can view
it with Preview.app.
The 3.3 error message is included below,
Mark McClure
---
Traceback (click to the left for traceback)
...
ValueError: Unknown file type
Traceback (most recent call last):
File "", line 1
ot happen when I run Sage.app.
Is there an easy way for me to set my PATH or other
environment variables from within the sage notebook?
Is there a logical init file to edit in the Sage.app
package to make this happen automatically?
Thanks,
Mark McClure
--~--~-~--~~~---
After installing the new spkg, sage compiled, Sage.app built,
and all but the following three tests passed:
sage -t "devel/sage/sage/graphs/graph_plot.py"
sage -t "devel/sage/sage/misc/package.py"
sage -t "devel/sage/sage/pl
On Feb 20, 9:18 am, mabshoff wrote:
> On Feb 20, 6:08 am, mark mcclure wrote:
> I screwed up, please try again. The problem is that I created a tar.gz
> instead of a tar.bzip2.
I had a feeling it was something like this.
I had a class this morning and have only just started the bui
On Feb 20, 8:47 am, mabshoff wrote:
> The spkg needs to be found by Sage. One way is to download it and
> place it into $SAGE_ROOT/spkg/standard, i.e.
>
> cd spkg/standard
> curlhttp://sage.math.washington.edu/home/mabshoff/SPKG/gmp-mpir-0.9.spkg
> -o gmp-mpir-0.9.spkg
>
> then restart the bui
On Feb 20, 8:34 am, mabshoff wrote:
> please tryhttp://sage.math.washington.edu/home/mabshoff/SPKG/gmp-mpir-0.9.spkg
> and report back as soon as possible. I am down to 4 tickets (including
> this one) for Sage 3.3.rc3 which will likely be identical to the final
> 3.3.
I probably should have men
On Feb 20, 12:35 am, mabshoff wrote:
> On Feb 18, 10:41 am, mark mcclure wrote:
>
> > I get an error building GMP on my MacBook Pro running
> > OS X 10.4.11.
>
> Hi Mark,
>
> I haven't gotten to this yet, but I have made this
>
> http://trac.sage
uot;.
> > Evidently there's still a little more to building the groovy Sage.app,
> > though?
>
> Run "./sage -bdist 3.3.rc2" and wait until it finishes.
Worked great, thanks.
Mark McClure
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To post to this group
On Feb 18, 12:33 pm, mabshoff wrote:
> 3.3.rc2 has been out for a good half day,
Build went smoothly on my Intel MacPro running OS X 10.5.5.
Passed all tests from 'sage -t devel/sage/sage/misc/all.py'.
Evidently there's still a little more to building the groovy Sage.app,
tho
On Feb 18, 1:44 pm, mabshoff wrote:
> Ok, I know what went wrong. I assume this is a MacIntel. Can you send
> me the complete compressed log?
Correct, this is an Intel based Mac. I'll gzip the log and email it
to you
shortly.
M
d so far.
Mark McClure
--- Log -
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -g -O2 -MT yasm.o -MD -MP -
MF .deps/yasm.Tpo -c -o yasm.o `test -f 'frontends/yasm/yasm.c' ||
echo './'`frontends/yasm/yasm.c
mv -f .deps/yasm.Tpo .deps/yasm.Po
gcc -std=gnu99 -D
ssue remains. When Sage.app quits,
MacOS gives me the message:
"The application lisp.run quit unexpectedly."
Not a problem as far as I'm concerned, but a bit strange.
Mark McClure
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:
set_plot_option([gnuplot_term, aqua]);
set_plot_option([gnuplot_pipes_term, aqua]);
Of course, now I can no longer plot from my standalone
copy of maxima. :)
One final comment: George's patch was unnecessary. I
hope I didn't send you on a wild goose chase.
Ma
on this machine, although
I do have Macports.
Thanks,
Mark McClure
--- Post Patch error log
Traceback (click to the left for traceback)
...
RuntimeError: Unable to start maxima
Traceback (most recent call last):
File "", line 1, in
File "/Users/mcmcclure/.sage/
applicable
to Sage.app, not to the command line. That is, I'd like
to be able to type:
/Applications/Sage.app/Contents/Resources/sage/sage
but I don't think your script ever even runs in that case.
Thanks,
Mark McClure
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Yeah, I noticed that too. :)
Thanks for the help,
Mark McClure
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On Feb 13, 12:55 pm, William Stein wrote:
> On Fri, Feb 13, 2009 at 9:53 AM, mark mcclure wrote:
> What happens when you type:
>
> ./sage -maxima
I get the error message shown below. I had tried that
already, since I frequently use sage precisely to access
maxima.
-
On Feb 13, 5:34 am, mabshoff wrote:
> Ok, I figured it out. After downloading the dmg I dragged it to my
> desktop and double clicked on it to start. It came up, but Maxima/
> clisp did not start.
>
> So, after quitting I run that sage on the command line and low and
> behold the rebase script ra
te-packages/
sage/interfaces/maxima.py", line 450, in _start
File "/Users/mabshoff/sage-3.3.rc0/local/lib/python2.5/site-packages/
sage/interfaces/expect.py", line 464, in _start
RuntimeError: Unable to start maxima
--
Perha
On Apr 23, 6:24 pm, mark mcclure <[EMAIL PROTECTED]> wrote:
> On Apr 23, 6:17 pm, mabshoff <[EMAIL PROTECTED]
>
> dortmund.de> wrote:
> > On Apr 24, 12:14 am, mark mcclure <[EMAIL PROTECTED]> wrote:
> > > The trailing kg is missing. Should I simply chan
On Apr 23, 6:17 pm, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
> On Apr 24, 12:14 am, mark mcclure <[EMAIL PROTECTED]> wrote:
> > The trailing kg is missing. Should I simply change the
> > name and try again?
>
> Yes. Run make, then a "sage -b". If
On Apr 23, 6:10 pm, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
> for whatever reason there is no Singular in your build log. Right at
> the top it says:
> ...
> Could you check if spkg/standard contains any file called
> singular-3-0-4-2-20080405.p1.spkg, i.e:
No, there's not. Strangely, th
On Apr 23, 5:54 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> Could you type
>./sage -br
> form the SAGE_ROOT directory and send the output?
Sure:
--
sage: Building and installing modified SAGE library files.
Installing c_lib
g++
On Apr 23, 4:43 pm, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
> We will be much more aggressive from now on in blacklisting know
> broken compilers since at least on OSX it should work out of the box
> because there is so little variety of the OS itself and Apple usually
> is the tool chai
On Apr 23, 3:53 pm, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
> This looks like Singular did not build properly.
>
> Please post a link to the whole install.log here so I can take a
> look.
Unfortunately, I no longer have the whole install.log. In hopes of
fixing the problem, I upgraded
On Apr 23, 3:54 pm, mhampton <[EMAIL PROTECTED]> wrote:
> I'm not sure what the problem is, probably William Stein or Michael
> Abshoff will be able to answer that, but maybe its simplest to just
> upgrade your gcc with the latest stuff from apple. My gcc is build
> 5465; I'm not sure how they
On Apr 23, 1:08 pm, Robert Bradshaw <[EMAIL PROTECTED]>
wrote:
> >> Are their binaries for OS X 10.4?
> > NO. And there won't be until somebody volunteers to make them.
> > Can you make them?
>
> Yes, do I just build and do sage -bdist?
I attempted to compile sage 3.0 on my Mac G5 running OS
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