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A basic quadratic equation calculator written in Java with a command-line interface. Handles fractions and imaginary roots. Thanks to Doug Lea at SUNY Oswego for his work on the Fraction class.
superseded by SgpDec http://sgpdec.sf.net Java implementation of the holonomy algorithm for the algebraic hierarchical decomposition of finite state automata.
A language modeling tool kit written in Java for natural language processing applications. It can handle character-by-character modeling of unknown words, language model combination, comparison, and evaluation, as well as a number of smoothing techniques
FNA is a commandline tool for creating and analyzing financial networks with concepts developed in social network analysis and network science. NOTE: the project has been moved to http://code.google.com/p/financial-network-analyzer/
Maximally flat (maxflat) digital filter design in Java, with arbitrary numbers of poles and zeros. "Maximally flat" means that the magnitude frequency response has the maximum number of vanishing derivatives at 0 and pi.
A simple little program, that can convert quaternions from a exponential form to a usual form. I will argue for this method, which I find very natural and quite intuitive.
Ariel is an implementation of the quadratic sieve in Java. Ariel is simple to use and requires minimal knowledge of the sieve's mechanisms for factorizations.
Framework: Project for Evolutionary Predator Prey Algorithms, used to implement an evolutionary scheme based on the developement by van Laumanns. Implement testproblems, special behaviours, environments, and other yet not known features.
Combean is a Java framework for mathematical structures and optimization algorithms. Through a set of Java interfaces and JavaBeans-based config, Combean glues optimization codes together - leading to more interoperable, adaptable and flexible solutions.
a free cross platform calculator for calculating BIG numbers
BigAl is a free open source and platform independent software for calculating really BIG numbers. It supports not only standard arithmetic, but also exact period determination, predefined factorials, fibonacci with seeds, factorization, nth root, etc
Misc packages including a matrix application, a text based minesweeper, and simple console functions bundled to be run from a virtual console. Some packages are independently runnable. http://damf.sourceforge.net/ for more information.
The Periodic Tables Package is an advanced suite of applications for both Windows and Linux that allow chemists and students alike to use the Periodic Table on their computers.
{sets} is a lightweight constraint programming language. The uniqueness of {sets}, is that it uses ROBDD ( Reduced Ordered Binary Decision Diagrams ) to represent and solve constraints.
JGP is a GUI for gnuplot (http://www.gnuplot.info/).
It is made for all those who just love gnuplot but who found
that organizing a large number of datasets and plots from the commandline is inconvenient.
JGP uses gnuplot as plotting engine.
XMLMath evaluates mathematical, logical or textual expressions described in xml and prints the result. For example, to compute the result of 1 + 1, you would write: <add> <long value="1"/> <long value="1"/> </add>
ballotbox is a java library consist of 36 algorithms derived from 23 Social Choice Rules (Voting Methods). Uses jgrapht graph theory project and it is own Preference class to represent preferences. Includes preference similarity algorithms.
Das Horner-Schema ist ein schnelles und einfaches Verfahren, um einen Funktionswert von Polynomen an einem gegeben Wert zu berechnen. Dieses Projekt beinhält eine Facharbeit und Programmierbeispiele in Pascal und Java zum Thema.
The Linear Algebra class library for Java provides a full set of tools to programmers who need linear algebra operations to use in their own projects.
Currently the library supports elementary matrix operations.
Java Randomness Test Suite is a gui application to run randomness tests on random stream resource (file or algorithm). Application can be run in commandline. Includes general statistical tests, NIST and DIEHARD tests.