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Jens Axel Søgaard
science forum beginner

Joined: 08 May 2005
Posts: 28

Posted: Sat Jun 03, 2006 10:51 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Pike wrote:
 Quote: Alfie wrote: Pike wrote: Is there a way to speed it up? Rewrite it in C. Or try Scheme with the Stalin compiler. what do you mean by "rewrite in C"? I googled for Stalin Compiler, but this was not conclusive at all (at least to me).

The Staling Scheme compiler can be found here

<http://community.schemewiki.org/?Stalin>

Stalin produces *very* fast binaries - the price is very
slow compilation. Due to this I consider it a compiler
mostly for those that know their Scheme well.

--
Jens Axel Søgaard
Peter Pein

Joined: 04 May 2005
Posts: 56

Posted: Fri Jun 02, 2006 11:30 pm    Post subject: Re: Slowly MAXIMA in TeXmacs

Cap_Kirk schrieb:
 Quote: Alfie wrote: You can find wxMaxima here: http://wxmaxima.sourceforge.net/ I hope this helps, and I wish you success with your calculations. I am using this also,but my 10x10 Matrix with e/a element being a long polynom just gives a ten page unreadable output. Meanwhile I used my brain instead of my computer. Amazing. The results are much better... btw is there an implementation of the ei(x) -Function exponential integral in Maxima? in my help menu this function shows up with an ?. Tks. U. seems unknown to Maxima 5.9.3:

(%i1) ode2('diff(f,z)=exp(z)/z,f,z);
/ z
[ %e
(%o1) f = I --- dz + %c
] z
/
(%i2)
Peter Pein

Joined: 04 May 2005
Posts: 56

Posted: Fri Jun 02, 2006 11:27 pm    Post subject: Re: Slowly MAXIMA in TeXmacs

Cap_Kirk schrieb:
 Quote: Alfie wrote: You can find wxMaxima here: http://wxmaxima.sourceforge.net/ I hope this helps, and I wish you success with your calculations. I am using this also,but my 10x10 Matrix with e/a element being a long polynom just gives a ten page unreadable output. Meanwhile I used my brain instead of my computer. Amazing. The results are much better... btw is there an implementation of the ei(x) -Function exponential integral in Maxima? in my help menu this function shows up with an ?. Tks. U.

Seems as if it's unknown to Maxima 5.9.3:

(%i1) ode2('diff(f,z)=exp(z)/z,f,z);
/ z
[ %e
(%o1) f = I --- dz + %c
] z
/
(%i2)
Pike
science forum beginner

Joined: 30 May 2006
Posts: 10

Posted: Fri Jun 02, 2006 5:14 pm    Post subject: Re: Slowly MAXIMA in TeXmacs

Andrey Grozin wrote:

 Quote: Cap_Kirk writes: Is your paper type set to papyrus? Finding optimal page breaks can take a lot of time. dont know about that i never changed anything ... Where should i look to change that? Have a look at Document -> Page -> Type Andrey tks.

now I set it to paper and I am curious what will happen ....
U.
Pike
science forum beginner

Joined: 30 May 2006
Posts: 10

Posted: Fri Jun 02, 2006 4:54 pm    Post subject: Re: Slowly MAXIMA in TeXmacs

Alfie wrote:

 Quote: You can find wxMaxima here: http://wxmaxima.sourceforge.net/ I hope this helps, and I wish you success with your calculations.

I am using this also,but my 10x10 Matrix with e/a element being a long
polynom just gives a ten page unreadable output.

Meanwhile I used my brain instead of my computer. Amazing. The results are
much better...

btw
is there an implementation of the ei(x) -Function exponential integral in
Maxima?
in my help menu this function shows up with an ?.

Tks.

U.
Jaap Spies
science forum beginner

Joined: 03 Nov 2005
Posts: 28

Posted: Fri Jun 02, 2006 2:41 pm    Post subject: Re: Slowly MAXIMA in TeXmacs

Alfie wrote:
 Quote: Pike wrote: Alfie wrote: Pike wrote: dear all when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up? Rewrite it in C. Or try Scheme with the Stalin compiler. what do you mean by "rewrite in C"? I googled for Stalin Compiler, but this was not conclusive at all (at least to me). I am a poor FTN-number cruncher, my C is ok but LISP and C++ are no too well... I wasn't being helpful, and I apologize for my answer. I was venting some frustration at the state of modern programming language development. I do have a suggestion which might be helpful. There is another frontend called wxMaxima. The input method for wxMaxima is not as pretty as Texmacs, but it should respond quickly to your typing. You can find wxMaxima here: http://wxmaxima.sourceforge.net/ I hope this helps, and I wish you success with your calculations.

There is still an other way of using maxima in a mathematics oriented
environment: SAGE (Software for Algebra and Geometry Experimentation)
includes among other (free) mathematical programs Maxima.

See http://modular.math.washington.edu/sage/index.html

This is an amazing project, worth looking at.

Jaap Spies
Alfie
science forum beginner

Joined: 02 Jun 2006
Posts: 2

Posted: Fri Jun 02, 2006 11:22 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Pike <captin.kirk@arcor.de> wrote:
 Quote: Alfie wrote: Pike wrote: dear all when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up? Rewrite it in C. Or try Scheme with the Stalin compiler. what do you mean by "rewrite in C"? I googled for Stalin Compiler, but this was not conclusive at all (at least to me). I am a poor FTN-number cruncher, my C is ok but LISP and C++ are no too well...

I wasn't being helpful, and I apologize for my answer. I was venting
some frustration at the state of modern programming language development.

I do have a suggestion which might be helpful. There is another
frontend called wxMaxima. The input method for wxMaxima is not
as pretty as Texmacs, but it should respond quickly to your
typing.

You can find wxMaxima here: http://wxmaxima.sourceforge.net/

I hope this helps, and I wish you success with your calculations.
Pike
science forum beginner

Joined: 30 May 2006
Posts: 10

Posted: Fri Jun 02, 2006 9:19 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Alfie wrote:

 Quote: Pike wrote: dear all when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up? Rewrite it in C. Or try Scheme with the Stalin compiler. what do you mean by "rewrite in C"?

I googled for Stalin Compiler, but this was not conclusive at all (at least
to me).
I am a poor FTN-number cruncher, my C is ok but LISP and C++ are no too
well...
 Quote: The C++ approach is that developers' time is more important than making the application efficient memory-wise or cpu-wise. After all, people can just buy faster computers, right? I doubt... three days ago a cancelled a simplification job after more than

90 hours. the job got more than 80 percent of the machine time....
Currently I am thinking of combining two or three machines.
Do you have any idea how to do that with MAXIMA and LINUX.
Alfie
science forum beginner

Joined: 02 Jun 2006
Posts: 2

Posted: Fri Jun 02, 2006 12:47 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Pike <captin.kirk@arcor.de> wrote:
 Quote: dear all when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up?

Rewrite it in C. Or try Scheme with the Stalin compiler.

The C++ approach is that developers' time is more important
than making the application efficient memory-wise or cpu-wise.
After all, people can just buy faster computers, right?
Andrey Grozin
science forum beginner

Joined: 08 Nov 2005
Posts: 8

Posted: Thu Jun 01, 2006 10:25 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Cap_Kirk <captin.kirk@arcor.de> writes:
 Quote: Is your paper type set to papyrus? Finding optimal page breaks can take a lot of time. dont know about that i never changed anything ... Where should i look to change that? Have a look at

Document -> Page -> Type

Andrey
Pike
science forum beginner

Joined: 30 May 2006
Posts: 10

Posted: Thu Jun 01, 2006 9:59 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Andrey Grozin wrote:

 Quote: Pike writes: when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up? Is your paper type set to papyrus? Finding optimal page breaks can take a lot of time. Andrey

i never changed anything
i just used Texmacs because of the graphical representation on the screen.
The emacs version does not offer enough space for my 10x10 matrices, each
element beeing a sum of 8 - 20 parts.

Where should i look to change that?

Ulrich
Andrey Grozin
science forum beginner

Joined: 08 Nov 2005
Posts: 8

Posted: Thu Jun 01, 2006 3:56 am    Post subject: Re: Slowly MAXIMA in TeXmacs

Pike <captin.kirk@arcor.de> writes:

 Quote: when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up? Is your paper type set to papyrus? Finding optimal page breaks can take

a lot of time.

Andrey
Pike
science forum beginner

Joined: 30 May 2006
Posts: 10

 Posted: Wed May 31, 2006 10:42 am    Post subject: Slowly MAXIMA in TeXmacs dear all when loading a 2 MB sav file into TeXmacs the echo of any input (typed) is longer than 30 sec!. I am running TexMacs on a 1 GB-Intel-machine 3GHz Pentium 4 on FC4. Is there a way to speed it up? Tks for any hint

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