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Beam Weights software
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Beam Weights

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Added: July 25, 2013 | Visits: 495

Finite Difference Beam Propagation Method Simulation of a gaussian pulse propagated in free space through 1000 um, using finite differences.Just run the script and you'll get a surface which is made up of the pulse propagated at 1 um steps.



Platforms: Matlab

License: Freeware Size: 10 KB Download (43): Finite Difference Beam Propagation Method Download

Added: June 21, 2013 | Visits: 348

FFT Beam Propagation Method The zip file includes the next programs:BPM_free_space.m - Propagation of a gaussian pulse in free spaceBPM_triangle.m - Propagation of a gaussian pulse in a triangle index profile waveguideBPM_2step.m - Demonstration of the evanescent waves phenomenon in parallel rectangular...





Platforms: Matlab

License: Freeware Size: 10 KB Download (40): FFT Beam Propagation Method Download

Added: August 27, 2013 | Visits: 384

Fabry-Perot Simulator This program simulates Gaussian beam propagation through a Fabry-Perot interferometer with adjustable error angles. The result is the intensity behind the cavity at a screen perpendicular to the propagation direction. It contains a GUI for setting the parameters and viewing the result.


Platforms: Matlab

License: Freeware Size: 10 KB Download (39): Fabry-Perot Simulator Download

Added: May 03, 2013 | Visits: 339

0-1 Knapsack Please let others rate your work. Rating your own stuff highly says nothing about the code, but perhaps drops you closer to the level of a spammer on the FEX like Marco. So let the rating system do its job. I know that you think your stuff is good. So does every eager high school student who...


Platforms: Matlab

License: Freeware Size: 10 KB Download (43): 0-1 Knapsack Download

Added: August 07, 2013 | Visits: 454

Boosting Demo This demo gives a clear visual presentation of what happens during the Adaboost algorithms. It shows how the decision boundary, example weights, training error and base learner weights change during training.A selection of base learning algorithms are included: Linear Regression, Naive Bayes,...


Platforms: Matlab

License: Freeware Size: 10 KB Download (50): Boosting Demo Download

Added: June 07, 2013 | Visits: 472

Moran's I PURPOSE: calculate local Moran's I for a local grid using a weight matrix.-------------------------------------------------------------------USAGE: m = moransI(grid, W, s);where: [grid] is the matrix to analyze [W] is the normalized weight matrix of the size the local Moran's I will be calculated...


Platforms: Matlab

License: Freeware Size: 10 KB Download (40): Moran's I Download

Added: June 14, 2013 | Visits: 399

Joint Bilateral Filter This function which is based on the bilateral filter provided Douglas R. Lanman, Brown University, September 2006, will compute the weights based on one image to be used as bilateral filter weights on another image.


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (40): Joint Bilateral Filter Download

Added: August 20, 2013 | Visits: 346

rae2xyz A variation of Matlab's sph2cart, that transforms a vector of radar coordinates (Range, Azimuth, Elevation) to Cartesian coordinates (East, North, Up). Note the different definition of radar coords vs. spherical coords, which require this different function (see exact definitions within the help...


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (40): rae2xyz Download

Added: August 02, 2013 | Visits: 425

xyz2rae A variation of Matlab's cart2sph, that transforms a vector of Cartesian coordinates (East, North, Up) to radar coordinates (Range, Azimuth, Elevation). Note the different definition of radar coords vs. spherical coords, which require this different function (see exact definitions within the help...


Platforms: Matlab

License: Freeware Size: 10 KB Download (44): xyz2rae Download

Added: April 20, 2013 | Visits: 400

Fminspleas I need to thank Duane Hanselman for suggesting this great idea.Fminspleas is a simple nonlinear least squares tool that fits regression models of the formY = a1*f1(X,C) + a2*f2(X,C) + ... + an*fn(X,C)X can be any array, so it works on multidimensionalproblems, and C is the set of only...


Platforms: Matlab

License: Freeware Size: 10 KB Download (41): Fminspleas Download

Added: August 12, 2013 | Visits: 388

RLS Algorithm Demo RLS is one of the great adaptive filter algorithms. In this file ,an experiment is made to identify a linear noisy system with the help of RLS algorithm. The weights of the estimated system is nearly identical with the real one.A reference is used to write the algorithm.


Platforms: Matlab

License: Freeware Size: 51.2 KB Download (39): RLS Algorithm Demo Download

Added: May 02, 2013 | Visits: 332

NLMS Algorithm Demo NLMS is one of the adaptive filter algorithms. In this file ,an experiment is made to identify a linear noisy system with the help of NLMS algorithm. The weights of the estimated system is nearly identical with the real one. Also , adaptive learning rate has been applied.A reference is used to...


Platforms: Matlab

License: Freeware Size: 10 KB Download (40): NLMS Algorithm Demo Download

Added: August 27, 2013 | Visits: 658

Euklid (Inverse) Distance Weight Matrix 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

Added: June 25, 2013 | Visits: 439

Interactive Efficient Frontier Viewer Demonstrates the use of MATLAB's nested functions to create graphical tools with little coding. This example creates an efficient frontier from supplied data (or generates random returns if no inputs are supplied) and then allows the user to move a crosshair along the efficient frontier to view...


Platforms: Matlab

License: Freeware Size: 10 KB Download (42): Interactive Efficient Frontier Viewer Download

Added: August 29, 2013 | Visits: 332

polyfitweighted Like polyfit.m but includes weighting of each data point.Summary----------------Find a least-squares fit of 1D data y(x) with an nth order polynomial, weighted by w(x).Usage-----P = polyfitweighted(X,Y,N,W) finds the coefficients of a polynomial P(X) of degree N that fits the data Y best in a...


Platforms: Matlab

License: Freeware Size: 10 KB Download (41): polyfitweighted Download

Added: August 25, 2013 | Visits: 457

Asset Definitions for Forecasting Reporting tool, with leading indicators for each asset, for an example Quantitative Fund.This asset definition is read by the runregression.m matlab file submitted elsewhere and allows to compute correlation coefficients and assign weights to relevant indicators when doing forecasting.


Platforms: Matlab

License: Freeware Size: 2.55 MB Download (39): Asset Definitions for Forecasting Download

Added: July 29, 2013 | Visits: 382

ballbeam.m BALLBEAM demonsrates Proportional-Derivative (PD) control as applied to a ball and beam simulation experiment. Execute by calling with no arguments.P and PD controllers are implemented which manipulates the beam angle in response to the position of the ball on the beam. The setpoint is indicated...


Platforms: Matlab

License: Freeware Size: 61.44 KB Download (39): ballbeam.m Download

Added: June 22, 2013 | Visits: 405

Sugeno-type FIS output tuning The archive contains sugenotune.m which is used to tune Sugeno-type FIS outputs. The used methods are ldivide, Kalman filter, pseudoinversion, Kaczmarz algorithm, and gradient descent methods. Though the user can supply sugenotune.m with his own methods.Remarks:- FIS with multiple outputs is...


Platforms: Matlab

License: Freeware Size: 204.8 KB Download (39): Sugeno-type FIS output tuning Download

Added: August 28, 2013 | Visits: 412

Rotor Dynamics toolbox (RotFE) The toolbox implements a simple (Timoshenko) beam with rigid disks. The model computes the eigenvectos (modes) at various speeds of rotation incorporating various effects like gyroscopics, stiffness of bearings. The results are presented using 2d and 3d graphics.Please use this package for...


Platforms: Matlab

License: Freeware Size: 624.64 KB Download (42): Rotor Dynamics toolbox (RotFE) Download

Added: September 06, 2013 | Visits: 434

Global to Local Coordinate Transformation Matrix The function calculates the Global to Local coordinate transformation matrix for a beam in space. [x0,y0,z0] and [x1,y1,z1] are the coordinates of the beam ends. alpha is the twist over the axis perpendicular to the beam cross sectional area, usually set to 0.


Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (41): Global to Local Coordinate Transformation Matrix Download

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