23 Apr
2003
23 Apr
'03
7:59 p.m.
Hi,
I am wondering if anyone knows of a good program that will solve
algebraic formulas symbolically. I was using Mathematica under Windows
to do this. I need something to solve the equations for bilinear
transform of filters to the digital domain. I can't (don't) have the
patience to work the algebra out by hand (it is not usually trivial,
with large powers of complicated polynomials).
I looked at Octal but it is just a mathematical programming language,
not a symbol solver. Is there any free software which can be programmed
to solve algebraic formulas (like Mathematica) available?
23 Apr
23 Apr
8:32 p.m.
On Wed, Apr 23, 2003 at 05:50:20PM -0400, Nick Tsocanos wrote:
I looked at Octal but it is just a mathematical
programming language,
not a symbol solver. Is there any free software which can be programmed
to solve algebraic formulas (like Mathematica) available?
You could check out MuPAD:
http://www.mupad.de/personal.shtml
cheers,
Christian Henz
11:19 p.m.
On Wed, Apr 23, 2003 at 05:50:20PM -0400, Nick Tsocanos wrote:
Hi,
I am wondering if anyone knows of a good program that will solve
algebraic formulas symbolically. I was using Mathematica under Windows
to do this. I need something to solve the equations for bilinear
transform of filters to the digital domain. I can't (don't) have the
patience to work the algebra out by hand (it is not usually trivial,
with large powers of complicated polynomials).
Definately Maxima is the only way to go. It's the LISP engine that
Maple and Mathematica are based on from MIT back in the day. It was
semi-recently freed and it's really sweet. It'll take some work (you
have to use clisp - the other LISPs are broken, and the GUI is a bit
clunkier than most), but it's quite nice.
http://maxima.sourceforge.net/
--
Ross Vandegrift
ross(a)willow.seitz.com
A Pope has a Water Cannon. It is a Water Cannon.
He fires Holy-Water from it. It is a Holy-Water Cannon.
He Blesses it. It is a Holy Holy-Water Cannon.
He Blesses the Hell out of it. It is a Wholly Holy Holy-Water Cannon.
He has it pierced. It is a Holey Wholly Holy Holy-Water Cannon.
He makes it official. It is a Canon Holey Wholly Holy Holy-Water Cannon.
Batman and Robin arrive. He shoots them.
24 Apr
24 Apr
6:39 a.m.
On Wed, 23 Apr 2003 21:09:29 -0400
Ross Vandegrift <ross(a)willow.seitz.com> wrote:
Definately Maxima is the only way to go. It's the
LISP engine that
Maple and Mathematica are based on from MIT back in the day. It was
semi-recently freed and it's really sweet. It'll take some work (you
have to use clisp - the other LISPs are broken, and the GUI is a bit
clunkier than most), but it's quite nice.
http://maxima.sourceforge.net/
If you're lucky enough to be running Debian Testing or Unstable (not
sure about stable):
apt-get install maxima xmaxima
Unfortunately its broken on PowerPC but works a treat on x86.
Erik
--
+-----------------------------------------------------------+
Erik de Castro Lopo nospam(a)mega-nerd.com (Yes it's valid)
+-----------------------------------------------------------+
"We reject kings, presidents, and voting. We believe in rough
consensus and running code." -- Dave Clark (IETF 1992)
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3 comments
4 participants
participants (4)
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Christian Henz -
Erik de Castro Lopo -
Nick Tsocanos -
Ross Vandegrift