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GiNaC 1.3.6
GiNaC is an iterated and recursive acronym for GiNaC is Not a CAS, where CAS stands for Computer Algebra System. more>>
GiNaC is an iterated and recursive acronym for GiNaC is Not a CAS, where CAS stands for Computer Algebra System. It is designed to allow the creation of integrated systems that embed symbolic manipulations together with more established areas of computer science (like computation- intense numeric applications, graphical interfaces, etc.) under one roof. It is distributed under the terms and conditions of the GNU general public license (GPL).
The project has been specifically developed to become a replacement engine for xloops which is up to now powered by the Maple CAS. However, it is not restricted to high energy physics applications. Its design is revolutionary in a sense that contrary to other CAS it does not try to provide extensive algebraic capabilities and a simple programming language but instead accepts a given language (C++) and extends it by a set of algebraic capabilities.
Enhancements:
- Bugs in fderivative::match_same_type(), expairseq::match(), expand_dummy_sum(), and expairseq::map() have been fixed, and the C source output has been slightly improved.
- Problems when compiling with GCC 4.2 have been resolved.
<<lessThe project has been specifically developed to become a replacement engine for xloops which is up to now powered by the Maple CAS. However, it is not restricted to high energy physics applications. Its design is revolutionary in a sense that contrary to other CAS it does not try to provide extensive algebraic capabilities and a simple programming language but instead accepts a given language (C++) and extends it by a set of algebraic capabilities.
Enhancements:
- Bugs in fderivative::match_same_type(), expairseq::match(), expand_dummy_sum(), and expairseq::map() have been fixed, and the C source output has been slightly improved.
- Problems when compiling with GCC 4.2 have been resolved.
Download (0.76MB)
Added: 2007-01-26 License: GPL (GNU General Public License) Price:
1001 downloads
Swiginac 0.9.5
Swiginac is a Python interface to GiNaC, built with SWIG. more>>
Swiginac project is a Python interface to GiNaC, built with SWIG. The aim of swiginac is to make all the functionality of GiNaC accessible from Python as an extension module.
Current status is beta; a lot (but not all yet) of the GiNaC classes are exposed, virtually all of the GiNaC tests pass.
For more information, documentation and software downloads, visit our group pages on BerliOS.
Examples:
Just a few illustrations from the Python interpreter:
>>> x=symbol("x")
>>> sin(x).series(x==0, 8)
1*x+(-1/6)*x**3+1/120*x**5+(-1/5040)*x**7+Order(x**8)
or
>>> y = symbol(y)
>>> lsolve([3*x + 5*y == 2, 5*x+y == -3], [x,y])
[x==-17/22, y==19/22]
Enhancements:
- Exceptions are now caught to prevent user errors from terminating Python sessions.
- Also, matrices are automatically evaluated, and the swiginac tutorial is included.
<<lessCurrent status is beta; a lot (but not all yet) of the GiNaC classes are exposed, virtually all of the GiNaC tests pass.
For more information, documentation and software downloads, visit our group pages on BerliOS.
Examples:
Just a few illustrations from the Python interpreter:
>>> x=symbol("x")
>>> sin(x).series(x==0, 8)
1*x+(-1/6)*x**3+1/120*x**5+(-1/5040)*x**7+Order(x**8)
or
>>> y = symbol(y)
>>> lsolve([3*x + 5*y == 2, 5*x+y == -3], [x,y])
[x==-17/22, y==19/22]
Enhancements:
- Exceptions are now caught to prevent user errors from terminating Python sessions.
- Also, matrices are automatically evaluated, and the swiginac tutorial is included.
Download (0.062MB)
Added: 2007-02-21 License: MIT/X Consortium License Price:
975 downloads
VFGEN 2.1.0
VFGEN is a Vector Field File Generator for differential equation solvers and other computational tools. more>>
VFGEN is a Vector Field File Generator for differential equation solvers and other computational tools.
There are many excellent programs available for solving differential equations and computing bifurcations of vector fields. However, each has its own format for specifying the vector field that defines the differential equation. VFGEN lets you define your vector field once (using XML), and export the vector field in several formats. VFGEN uses a C++ symbolic algebra library (GiNaC) to generate Jacobians and higher derivatives automatically.
Main features:
- Specify your equations once, and export to multiple file formats.
- Generate analytical expressions for Jacobians and higher derivatives automatically.
- Available export formats include MATLAB, Scilab, AUTO, GNU Scientific Library (GSL), SciPy, PyDSTool, XPP and more.
- New in Version 2.1.0: Octave, PyDSTool and RADAU5 commands added.
- New in Version 2.0.0: VFGEN can generate code for delay equations.
<<lessThere are many excellent programs available for solving differential equations and computing bifurcations of vector fields. However, each has its own format for specifying the vector field that defines the differential equation. VFGEN lets you define your vector field once (using XML), and export the vector field in several formats. VFGEN uses a C++ symbolic algebra library (GiNaC) to generate Jacobians and higher derivatives automatically.
Main features:
- Specify your equations once, and export to multiple file formats.
- Generate analytical expressions for Jacobians and higher derivatives automatically.
- Available export formats include MATLAB, Scilab, AUTO, GNU Scientific Library (GSL), SciPy, PyDSTool, XPP and more.
- New in Version 2.1.0: Octave, PyDSTool and RADAU5 commands added.
- New in Version 2.0.0: VFGEN can generate code for delay equations.
Download (MB)
Added: 2007-06-07 License: GPL (GNU General Public License) Price:
871 downloads
SyFi 0.4.0
SyFi is a C++ library built on top of the symbolic math library GiNaC. more>>
SyFi is a C++ library built on top of the symbolic math library GiNaC. The name SyFi stands for Symbolic Finite Elements.
The package provides polygonal domains, polynomial spaces, and degrees of freedom as symbolic expressions that are easily manipulated. This makes it easy to define finite elements.
<<lessThe package provides polygonal domains, polynomial spaces, and degrees of freedom as symbolic expressions that are easily manipulated. This makes it easy to define finite elements.
Download (6.5MB)
Added: 2007-01-10 License: GPL (GNU General Public License) Price:
1018 downloads
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