Discrete Logarithms

Network Simulator (Ns) is a discrete event simulator targeted at networking research. Ns provides substantial support for simulation of TCP, routing, and multicast protocols over wired and wireless (local and satellite) networks. Ns began as a variant of the REAL network simulator in 1989 and...

MPCA is a comprehensive suite of tools for doing discrete principal components analysis on data sets of size 100Mb or more. Scaling is done using sparse vectors, multi-threading, memory mapping, and other POSIX tricks. Reports, file dumping utilities and other utilities are included. The...

K-surfaces with a cone point is a small, simple application designed to help you study and investigate discrete K-surfaces. A K-Surface is a surface of constant negative Gaussian curvature. The initial Gauss map may be edited on the left. On the right hand side you may investigate the surface...


Platforms: Windows

libDAI is a handy C++ library designed to offer implementations of various inference methods for discrete graphical models. libDAI supports arbitrary factor graphs with discrete variables; this includes discrete Markov Random Fields and Bayesian Networks. The library is targeted at researchers....


Platforms: Windows

MathApplets are Java applets to help teach discrete math. This package contains the following applets: - Basic Set Applet - Set theory exercises using sets of numbers. - Blackjack Applet - Probability theory tied to a popular card game. - Factorizer Applet - Factors numbers into prime...


Platforms: Windows, Mac, *nix, Java, BSD Solaris

SimPy is a discrete event, object-oriented, simulation package for Python 2.2 and later. It uses generators which support efficient implementation of coroutines. SimPy allows easy interfacing to GUIs and graphing packages for analysis. Tutorial and examples are included.


Platforms: *nix

fminconset: Solves constrained minimization problems where someof the variables are restricted to discrete values. (Mixed IntegerNonlinear optimization). Based on fmincon from Optimization Toolboxversion 2.0.


Platforms: Matlab

Software associated with the paper:L.G. van Willigenburg, W.L. De Koning, 2000, "Finite and infinite horizon fixed-order LQG compensation using the delta operator", Proceedings UKACC International Conference on Control 2000, 4-7 September, Cambridge, UK,...


Platforms: Matlab

Computes by using the FFT (fast Fourier transform) algorithm the covolution of two discrete sequences.


Platforms: Matlab

Digital version of Fractional-Order PID Controller (DFOC) of the form:C(s) = K + Ti/s^m + Td*s^d for given sampling period Ts [sec].For more details and help write:>> help DFOC


Platforms: Matlab

Using the delta operator, the strengthened discrete-time optimal projection equations for optimal reduced-order compensation of systems with white stochastic parameters are formulated in the delta domain. The delta domain unifies discrete time and continuous time. Moreover, when formulated in...


Platforms: Matlab

Wavelet discrete transform based on Haar wavelet serves as a link between wavelet technique of data compression and fractal technique based on the system of contractive linear transforms.


Platforms: Matlab

DFT transforms one function into another, which is called the frequency domain representation, or simply the DFT, of the original function (which is often a function in the time domain). But the DFT requires an input function that is discrete and whose non-zero values have a limited (finite)...


Platforms: Matlab

Matlab software associated to the paper:L.G. Van Willigenburg, W.L. De Koning, 1999, "Optimal reduced-order compensators for time-varying discrete-time systemswith deterministic and white parameters",Automatica, 35, 129-138.Systems with white parameters (with multiplicative white noise) are...


Platforms: Matlab

1, Escrowed dividend model, which is the simplist and the least accurate way as a result;2, Chriss volatility adjustment model, besides replacing current stock price, this model adjusts volatility as well;3, Haug & Haug volatility adjustment model; which is more sophisticated than Chriss model...


Platforms: Matlab

JPEG compression using Discrete Cosine Transform TechniqueIn this code, Run Length Encoding is used to compress the Normalized DCT Coefficients, and corresponding Decoding techniques are used to decompress the image.


Platforms: Matlab

Hidden Login provides easy and discrete access to the admin functionality of your site. Pressing the set keystroke combination will activate Hidden Login, either displaying a modal login window or redirected to the admin area if you are already logged in. Visit the Hidden Login Options to set...


Platforms: PHP

Japrosim is a java library for both discrete event and continuous simulation. GUI for modeling and automatic code generation are offered. An explanation module is integrated. Models are described in XML and owl for interoperability.


Platforms: Mac

A Java audio synthesis system that allows users to design and interconnect discrete components into flexible and modular sound production systems.


Platforms: *nix

Math software is often bulky, overloaded with useless features and requires reading huge manual before attempting to use it. SLGallery is the unique probability distribution calculation toolbox featuring 11 continuous and 4 discrete functions. With SLGallery it is possible to plot graph and find...


Platforms: Windows