Matrices Inverse Diagonal
SHPATH - shortest path with obstacle avoidance (ver 1.3) Given a "terrain" matrix consisting of zeros (for open space) and ones (for obstacles), this function computes the shortest path between two specified points while avoiding obstacles.A two-stage solution is employed. In stage one, the...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): jQuery.relatizeDate Download |
Copyright (C2010-2013) Yang XIAO, BJTU, April 16, 2010, E-Mail: yxiao@bjtu.edu.cn. This program can produce the Parity Check Matrices of DVBS2 codes, while Ref. [1] remindes you that these codes are not good as the LDPC codes IEEE802.16e for continuous bits' errors. Refenrences: [1] X. Huang, Y....
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): Parity Check Matrices of DVBS2 codes Download |
function W = euklid_W(ws,d,n)function W = euklid_invW(ws,d,n) PURPOSE: create an (inverse) euklidean distance spatial weight matrix (n x m 'moving-window' style matrix with distance to center cell weighted.) ------------------------------------------------------------------ USAGE: W =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Euklid (Inverse) Distance Weight Matrix Download |
Applying the inverse transform method to the normal distribution entails evaluation of the inverse normal. This is the Beasley-Springer-Moro algorithm for approximating the inverse normal.Input: u, a sacalar or matrix with elements between 0 and 1Output: x, an approximation for the inverse normal...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (48): Approximating the Inverse Normal Download |
SHPATH - shortest path with obstacle avoidance (ver 1.3) Given a "terrain" matrix consisting of zeros (for open space) and ones (for obstacles), this function computes the shortest path between two specified points while avoiding obstacles.A two-stage solution is employed. In stage one, the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): Shortest Path with Obstacle Avoidance Download |
[psi gopt] = dfdesign_w(phi, w, d);DFDESIGN_W computes the H-infinity optimal inverse filter of a given filter phi(z).The resulting filter psi(z) minimizes the H-infinity norm of the error systemE_w(z) = [z^(-d) - psi(z)phi(z)]w(z).If an error occurs, use "dfdesign_w_lmi.m".[INPUT]phi: target...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): H-infinity sub-optimal causal IIR inverse filter Download |
This file : eig_svd_herm_unit_pos_def_2.m is a modified (improved) version of my previous file. The main correction has been to include issparse() instead of class() to identify a Sparse Matrix. This change is essential for R13.The file eig_svd_herm_unit_pos_def_2.m and it's companion files...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 30.72 KB | Download (39): Properties of Hermitian, Unitary, Positive Definite and Sparse Matrices Download |
An implementation of the image normalization (and inverse normalization) part of P. Dong et al.'s paper: "Digital Watermarking Robust to Geometric Distortions," IEEE Trans. Image Processing, Vol. 14, No. 12, pp. 2140-2150, 2005.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 61.44 KB | Download (44): Image normalization and inverse normalization Download |
AB_MBA_SHOW visualize 2x2 matrices A and B, they satisfy AB = -BA.You can fin this problem in Introduction to Linear Algebra 4th ed. by Gilbert Strang. Chapter 2, Section 4, Rules for Matrix Operations, p.78, Problem 22.This visualiser contains all the AB = -BA, A and B are 2x2 matrix with the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): AB = -BA matrices viewer Download |
Performs hierarchical clustering of data using specified method andseraches for optimal cutoff empoying VIF criterion suggested in "Okada Y. et al - Detection of Cluster Boundary in Microarray Data by Reference to MIPS Functional Catalogue Database (2001)".Namely, it searches cutoff where groups...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): Clustering data and searching optimal cutoff employing VIF criterion Download |
A simple and fast algorithm for generating doubly-stochasstic matrices.(matrices, where the sum of each column and each row is exactly 1).Each matrix is chosen uniformly from the space of all NxN doubly-stochassticmatrices.Note: the generated matrices are indeed doubly-stochastic, but it's...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): Fast algorithm for generating doubly-stochasstic matrices Download |
At the moment, the Normal Inverse Gaussian (NIG) distribution is not included in the statistics toolbox. This collection of m-files supplements this toolbox with the most important functionalities for the NIG distribution: random numbers, moments, cdf, pdf and parameters by moment fit. This...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Normal Inverse Gaussian (NIG) distribution - updated version Download |
At the moment, the normal inverse Gaussian distribution is not included in the statistics toolbox. This collection of m-files supplements this toolbox with the most important functionalities for the NIG distribution: random numbers, moments, cdf, pdf and parameters by moment fit.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): Normal Inverse Gaussion Distribution Download |
In this archive there are just some simple functions about matrices, expecially to be used with the program perteig.m called "Trajectories of eigenvalues" you can find among the file by the same author in the file exchange.-impdataimpdata.mscripts that imports the matrices A and B written in the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): Matrices program with a script for eigenvalues perturbations Download |
The Fourier transform takes a signal in the time domain and maps it, without loss of information, into the frequency domain. The frequency domain representation is exactly the same signal, in a different form. The inverse Fourier transform(IDFT) maps the signal back from the frequency domain into...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (55): Inverse Discrete Fourier Transform of a finite sequence Download |
Used to perform B*M or M*B with B a block diagonal matrix, B is stored as a cell array (call it C) with each element a matrix as a block of B, such that B = blkdiag(C{:}).This speeds up the multiplication when B is large and also allows the operation to take place when B could not fit in the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): block diagonal multiplication Download |
Note that this function do not return EIGEN VECTORS.This function is faster than looping on EIG when eigenvalues must be computed for a large number of matrices. The test shows it can speed up by 10 times
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (49): Multiple eigen-values for 2x2 and 3x3 matrices Download |
Uses x,y coordinates to produce distance-based spatial weight matrices useful for spatial econometric regressions. The user is asked to input x and y coordinates, as well as a lower and upper bound threshold for the neighborhood.The code is adapted from a previous version by Shawn Bucholtz of the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (50): Inverse Distance Spatial Weights Matrix Download |
You can follow the examples given in the codes, to construct your 2-Dfuction in 2-D Laplace transform domain, insert it into the place of our examples, then you can get the inverse 2-D Laplace transform of your function.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (41): inverse 2-D Laplace transform Download |
Allows compact representation of block-circulant matrices and fast operations (*,,pinv,etc).Circulant matrices arise in many matrix problems where the underlying mathematical model has rotational symmetry. In many problems, the problem representation is not a simple circulant matrix, but a...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 61.44 KB | Download (45): Block-Circulant matrix package for MATLAB Download |