Diagonal Matrix Program
This script presents you three ways to calculate a distance matrix out of a list of n-dimensional points using scipy.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (54): Calculate the distance matrix Download |
Implements the behaviours of the Matrix Class -- provides methods for matrix manipulation. usage:var inst:Matrage:
Platforms: Windows, Mac, Flash,
License: Freeware | Download (53): com.wis.math.alg.Matrix Download |
PHPCad Drawing Program is a CAD/painting program written in PHP. The user requires no detailed drawing skill. All objects are functions placed on the screen by defining one or two points with parameters for the object. Produces .png-.jpg-.gif(animated)-.mpg-.pov pictures. This program is mainly...
Platforms: Windows, Mac, *nix, PHP, BSD Solaris
License: Freeware | Download (57): PHPCad Drawing Program Download |
The library supports only basic matrix operations, not being suitable for large matrices.It has been tested with:Borland C++ 5.0 (both 16 and 32 bit);Borland C++ 5.5;C++ Builder version 1.0, 3.0, 4.0 and 5.0;MS Visual C++ version 4.0, 4.2, 5.0 and 6.0;SUN g++ under Sun Solaris;GNU C++ and SGI C++...
Platforms: C and C plus plus
License: Freeware | Size: 40.96 KB | Download (51): Matrix TCL Lite Script Download |
This DHTML script renders the Matrix effect on any short piece of text. It works in both IE4 and NS6 , and downgrades well with the rest.
Platforms: JavaScript
License: Freeware | Size: 102.4 KB | Download (43): The Matrix Text effect for Graphics and Animations Download |
It will help you to make a N-point Paired matrix for FFT.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): N-point Paired Matrix for FFT 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 |
The program takes the columns of an input matrix and calculates the auto and cross correlation of these columns using an fft method. The result is very similar to the xcorr function. This method could be used to evaluate the cross correlation of repeating code sequences, and other similar...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Circular Cross Correlation of the Columns of an Array - circ xcorr Download |
The program contructs column-weight three girth-eight QC-LPDC codes given row-weight and sub-matrix size. row-weights and sub-matrices sizes are variable.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (50): Column-weight three Girth-8 QCL-PDC Codes Download |
This function gives the decimation matrix which after post mulitpling it with the given signal gives the downsampled version of the original signal...D = decimmtx(x,N)decimates the given signal by a factor of N.[D,y] = decimmtx(x,N)gives D as well as the decimated signal y
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): decimation matrix Download |
[h,varargout]=plotColumns(data,varargin)plots columns of a matrix as if each column is a time seriesUSAGE:plotColumns(data);[h] = plotColumns(t,data);[h] = plotColumns(t,data,{colors});[h] = plotColumns(t,data,'plotopt');[h] = plotColumns(...,'plotopt');[h] = plotColumns(...,{colors});
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): plotColumns.m: plots columns in matrix as time series Download |
The function generates sequency(Walsh) ordered Hadamard matrix useful for image processing, signal processing, genetic algorithms etc.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Sequency(Walsh) ordered Hadamard matrix Download |
CONV_MTX Convolution matrix. If 'x' is a column vector of length 'nx', then conv_mtx(x,nh) gives a toeplitz matrix 'X' of size (nx+nh-1) times (nh). 'nh' is the length of the column vector 'h' with which 'x' is convolved. Thus finally 'X*h' is same as conv(x,h). If 'x' and 'h' are row vectors,...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): convlution matrix in four lines Download |
The program is writing base on the principle of the PSO algorithm,and it is used to Water quality model calibration. I have modified the program for many times ,and it is the final program I have used to calibrate the parameter oh the streeter-phelps water quality model.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (49): A PSO (particle swarm optimization)program Download |
The main program is MAIN.mThis program will estimate the single source points present in theinstantaneous mixtures and using the estimated single source points the mixing matrix will be estimated. Then the error in mixing matrixestimation and the latest estimated mixing matrix will be...
Platforms: Matlab
License: Freeware | Size: 3.45 MB | Download (46): Mixing matrix estimation in instantaneous blind source separation Download |
These functions show some advances about MPF (Matrix Polynomial Fraction) using for represent multivariable models and design multivariable control system.
Platforms: Matlab
License: Freeware | Size: 419.84 KB | Download (48): Matrix Polynomial Fraction Download |
This GUIDE program compute the double exponential Alpha and Beta parameters. The fminsearch function make the main calculate process. the program may be comiled by:mcc -m -B sgl FRYO NUEVO RAYO
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (44): Double Exponentian Calculating Program Download |
This program calculates and plots the photonic bands for a 2D photonic crystal consisting of cylinders with circular cross-section and infinite height, arranged in a triangular lattice; we consider in-plane propagation and two independent polarization states: E-pol and H-pol (E-field and H-field...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Photonic bands for a 2D photonic crystal Download |
Input data is the MS Excel file, where the table of nodes, table of elements, nodal external loads vector and boundary conditions are stored.After running the mabs2d.m file on the Command Window, the program calculates the stiffness matrix in local coordinates kiL (element i). Once the...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (50): Matrix Analysis of Two Dimensional Bar Structures MABS2D Download |
write_matrix_bin(f,m) saves the matrix "m" in a binaryfile "f". write_matrix_bin is a lot faster than the built in function save(), andtakes up much less diskspace than the old "save -v6" which doesn't use compression.write_matrix_bin also includes an option for compression with...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (49): Fast function to save a matrix Download |