Correlation Coefficient Formula
Given the chemical formula, MolWgt calculates the molecular weight of a substance.
Platforms: Mac, BSD, Linux
License: Freeware | Size: 2.47 KB | Download (44): MolWgt Download |
The goal of this project is to develop an open source event correlator called SEC (Simple Event Correlator) that could be used for network management, log file monitoring, security management, and other tasks which involve event correlation.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 98.11 KB | Download (49): Simple Event Correlator Download |
Processes boolean functions which can be provided either as a list of 0s and 1s or which can be provided as a formula in first-order logic (using disjunctive or conjunctive normal forms). Internally the Quine McCluskey algorithm is used.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 28.73 KB | Download (46): The Boolfreak Minimizer Download |
Several operation (shortest route searching, clustering coefficient, strongly connected components, distribution of edges) is implemented on this network. The module has very resource-consuming parts so in a huge site you have to test the performance.The module includes a graph visualization...
Platforms: Windows, Mac, *nix, PHP, BSD Solaris
License: Freeware | Download (48): Social Network Analysis Tool 5.x-1.x-dev Download |
Dript can be used by other modules to add scripting or formula capability.The module implements a filter that can be applied to nodes and other contents.As a dialect of LISP and a simpler LISP, Dript is for non-programmers who want to alter their contents slightly according to certain behaviors....
Platforms: Windows, Mac, *nix, PHP, BSD Solaris
License: Freeware | Download (48): Dript 5.x-1.x-dev Download |
The Mann-Kendall Tau-b non-parametric function computes a coefficient representing strength and direction of a trend for equally spaced data. While you do not need the Statistics Toolbox to compute Taub, you do need it to test for significance. This function will compute Tau-b (now tau-a as...
Platforms: Windows, Mac, *nix, Matlab, Solaris
License: Freeware | Download (65): Mann-Kendall Tau-b with Sen's Method (enhanced) 1-17-2009 Download |
The PHP Game ladder is a system where have rung games and they can report the results of games and the system updates everybody's position through partially exchanging rung positions (or some other similar formula).
Platforms: Windows, Mac, *nix, PHP, BSD Solaris
License: Freeware | Download (79): PHP Game Ladder Download |
galculator is a GTK 2 based calculator with ordinary notation/reverse polish notation, a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).galculator features two user modes: basic and scientific mode. Basic mode is intended...
Platforms: *nix, C/C++, BSD
License: Freeware | Download (62): galculator Download |
A replacement for the transfer function normprod.m in the MATLAB NN toolbox. With this transfer function, the NaNs in the simulation of RBF neural networks can be avoided.The function can handly zeros, and positive and negative infinite values in the weight vector. Also combinations of positive...
Platforms: Java
License: Freeware | Size: 10 KB | Download (47): nprod.m version Download |
Newton number (also called the drag coefficient) and Archimedes number are plotted versus the Reynolds number for the laminar, transition and turbulent flow types using a log-log scale. A numerical example of the terminal fall velocity computation of a single spherical particle in a Newtonian...
Platforms: JavaScript
License: Freeware | Size: 20.48 KB | Download (44): Terminal Fall Velocity of a Single Spherical Particle in a Newtonian Fluid Download |
"It's one of the most used models for signal prediction in urban areas, valid from 150Mhz to 1500MHz, losses are spreading in the urban area as a standard formula and proprciona fixes for applications to other situations"
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Okumura Hata model Download |
In Radars, range resolution and long range of operation are the two important aspects. Long range operation means the maximum distance over which radar can detect the targets. The radar transmit modulated pulses to take the advantages of better processing gain and resolution of these waveforms...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (46): implementation of digital pulse compression using matlab Download |
This program performs a Monte Carlo simulation of a coherent QPSK communication system and plot the error probability performance over additive whit Gaussian noise channel. The detection is based on correlation metric. Simulation is performed for 10,000 bits and measurements are made accordingly.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Coherent QPSK simulation and BER vs. SNR curve Download |
After the run of the "MyEqualizer.m" file a graphical user interface appear. By pressing the "Load" we can load audio signal (type .wmv). After we can model the frequency behavior of the FIR filter that is used to filter that signal. After we can listen the filtred audio signal by pressing the...
Platforms: Matlab
License: Freeware | Size: 1.42 MB | Download (40): Digital Audio Equalizer Download |
DFT plays important role in DSP and used in wide variety of applications like correlation and spectral analysis. Understanding quantization errors in its computation is an important aspect of its design either for s/w or h/w implementation.A complex DFT of N points has N complex (4N real)...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): A 32 point FFT in embedded MATLAB using fixed point arithmetic Download |
Randomly generated information is modulated using 16 QAM and passed through Rayleigh fading channel and AWGN is added.PSAM (pilot symbol assisted modulation)i.e pilot symbols are inserted into sequence of information symbols periodically is done before transmission inorder to estimate channel...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): A simple program on channel estimation with different interpolation techniques Download |
This file set includes a top level unsychronized Tx / Rx model and a more detailed synchronized Rx model. The top level model Tx outptut has been tested with a third party reference mil-std-188-110 modem and found to generates compliant waveforms. A variable symbol rate Tx driving the...
Platforms: Matlab
License: Freeware | Size: 3.31 MB | Download (53): A Synchronized Mil-Std-188-110B Receiver Download |
This file contain functions for the calculations of:- Fresnel integral with sine and cosine integral- Fresnel integrals- Diffraction loss over one knife-edge using Fresnel integration end Lee's formula- Ploting the Cornu's spiral
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (53): Basic diffraction models Download |
A fast vectorized implementation of the ncc that handles color (3 channel) images as well as gray level.The algorithm for colored images is based on the ncc formulation for vector valued functions.Note: A bug that I found in the normxcorr2 was also fixed here.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Fast normalised cross correlation for gray-level and color images Download |
Develop a Matlab program to demonstrate a neural network autoassociative memory. Show the importance of using the pseudoinverse in reducing cross correlation matrix errors. Show the performance of the autoassociative memory in noise. The results are contained in the Matlab file assoc_mem_demo.m
Platforms: Matlab
License: Freeware | Size: 880.64 KB | Download (48): autoassociative memory Download |