Empirical Probability Distribution
It calculate the arithmetic code of a string of char, subject to an alphabet "A" and a probability distribution "P". http://en.wikipedia.org/wiki/Arithmetic_coding
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): Simple Exemple of Arithmetic Coding Download |
This function calculates the probability under the normal distribution curve, plots the graph and the area calculated.Normaldistribution calculating the area under a normal distribution curve from -ve infinity upto point x. Input: x : point on the normal distribution curve mean : mean of the...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): probability distribution function (normal distribution) Download |
Creates a 1,2 or 3 dimensional probability distribution supported on user-supplied lattice points subject to linear and moment constraints. A trite financial example is provided.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): laplace.m Download |
It is a matlab function that codes a string of char with Arithmetic coding.res=arithmetic_code(alphabet, distr_pr, string)'alphabet' is a vector that contains the char used in the string 'string'; 'string' is the string to codify; 'distr_pr' is the probability distribution of the alphabet's...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Arithmetic code to encode a string of char Download |
The QM Wigner program displays the time evolution of the position-space wave function and the associated quasi-probability distribution in phase space via the Wigner function. The default wave function is a Gaussian wave packet in a harmonic oscillator. Additional states and other potential...
Platforms: Mac
License: Freeware | Size: 776.19 KB | Download (37): QM Wigner Download |
Statistical Distribution Explorer is an easy-to-use and accessible program that allows users to explore the properties of various statistical distributions.
You will also be abel to calculate the cumulative distribution function CDF, probability distribution function PDF, or quantiles /...
Platforms: Windows, XP, Windows Vista, 7
License: Freeware | Download (459): Statistical Distribution Explorer Download |
How can we characterize an image, and does the same characterization yield the same result? In this work, we study one possible characterization, distribution metrics. That is, we assume the desired region of interest has a different probability distribution from its corresponding background....
Platforms: Matlab
License: Freeware | Size: 1.57 MB | Download (52): Active Contours: A New Distribution Metric for Image Segmentation Download |
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
License: Freeware | Size: 489 KB | Download (252): SLGallery Download |
Test::Stochastic is a Perl module to check probabilities of randomized methods. SYNOPSIS use Test::Stochastic qw(stochastic_ok); stochastic_ok sub { ...random sub...}, {a => 0.4, b => 0.6}; stochastic_ok {a => 0.4, b => 0.6}, sub { ...random sub...}; Test::Stochastic::setup(times => 100,...
Platforms: *nix
License: Freeware | Size: 4.1 KB | Download (105): Test::Stochastic Download |
MaxEntropy is a Perl5 module for Maximum Entropy Modeling and Feature Induction. SYNOPSIS use Statistics::MaxEntropy; # debugging messages; default 0 $Statistics::MaxEntropy::debug = 0; # maximum number of iterations for IIS; default 100 $Statistics::MaxEntropy::NEWTON_max_it = 100; #...
Platforms: *nix
License: Freeware | Size: 41.98 KB | Download (100): Statistics::MaxEntropy Download |
PDL::Slatec is a PDL interface to the slatec numerical programming library. SYNOPSIS use PDL::Slatec; ($ndeg, $r, $ierr, $a) = polyfit($x, $y, $w, $maxdeg, $eps); This module serves the dual purpose of providing an interface to parts of the slatec library and showing how to interface PDL...
Platforms: *nix
License: Freeware | Size: 2.1 MB | Download (115): PDL::Slatec Download |
Sorts input matrix of data so that each column is re-ordered byuser-specified criteria. Options are (1) sort data by signal width (2)sort data by energy localization (3) sort data by dissimilarity ofdata to a normal probability distribution. The default option is toreturn all 3 options, as...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): sortwvfrms Download |
The QM Superposition Launcher package is a self-contained file for the teaching of the time evolution and visualization of energy eigenstates and their superpositions in quantum mechanics. The file contains ready-to-run OSP programs and curricular materials. One can choose from several real-time...
Platforms: Mac
License: Freeware | Size: 2.8 MB | Download (36): QM Superposition Package Download |
Probability of Synapomorphy was designed as an R script that implements a new method for evaluating synapomorphy on phylogenetic trees.
All you have to do is install R and run the script. A method that quantifies the pattern of character state distribution over a cladogram and as such is free...
Platforms: Windows
License: Freeware | Download (46): Probability of Synapomorphy Download |
This script uses fact that any probability distributions can be sampled by computing the cumulative distribution, drawing a random number from 0 to 1, and finding the x-value where that number is attained on the cumulative distribution. The searchsorted(..) function performs this search. This...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (50): Weighted choice Download |
This function generates random numbers distributed according to the Laplace distribution using the Probability integral transformation
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): Laplace random variables Download |
There are two issues with the Pearson type IV distribution: (I) the complex gamma function entering the normalization constant in the probability density function (pdf) and (II) the complex Gauss hypergeometric function entering the cumulative distribution function (cdf). For the complex gamma...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): In sample Value at Risk and backtesting with the Pearson type IV distribution Download |
The EJS Radioactive Decay Distribution Model simulates the decay of a radioactive sample using discrete random events. It displays the distribution of the number of events (radioactive decays) in a fixed time interval. If each event is assumed to occur independently and spontaneously with a...
Platforms: Mac
License: Freeware | Size: 1.1 MB | Download (35): Radioactive Decay Distribution Model Download |
The EJS Binomial Distribution Model calculates the binomial distribution. You can change the number of trials and probability. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item. The Binomial...
Platforms: Mac
License: Freeware | Size: 81.92 KB | Download (37): Binomial Distribution Model Download |
Make your software better known. With WTM Software Distribution it is the first way to send your software to hundreds of software archives around the world. WTM Software Distribution submits your software in software archives, outomatically. Use WTM Software Distribution how often you want (if...
Platforms: Windows
License: Freeware | Size: 781.25 KB | Download (271): WTM Software Distribution Download |