2-D Propagation code similar to parabolic wave codes but with complete boundary conditions for irregular surfaces. Induced boundary surface currents are retained. Documentation and examples are provided. Basic code structure can be extended to fully 3-Dimensional environments.

Reproduce Chapter 2 propagation examples in The Theory of Sintillation with Applications in Remote Sensing. Configured to reproduce beam propagation and simulation examples. Documentation includes graphics generated by simulation code.

Couple widgets in the form of plugin that lets you build your own website without touching a code. 2046's loop widgets boost you website prototyping.Unlike other loop widgets "2046's loop widgets" are made with top-down logic. Meaning, when you build the content you don't think about the...


Platforms: PHP

Keyword: Cover, Covers, Fully, Layouts, Routinely, Speed, Supposed

Back in college, I was taught how to play this little math game by a Chinese friend of mine. She told me that they used to play this game quite regularly as kids. As a group of four, we would each plunk down a randomly generated card to have four numbers that may be manipulated in any way using...


Platforms: Matlab

Keyword: Chang, Cheng, Distant, Initial, Nchoosek, Published, Puzzle, Turns, Versions, Wikipedia

Quickly and easily create 2d and 3d plots of fMRI data.Industry standard brain plotting programs are great for producing publication-quality images of brain data. However, these tools are often very slow. This suite of tools provides a means of quickly generating 2- or 3-dimensional plots of fMRI...


Platforms: Matlab

Keyword: Dimensional, Figures, Focus, Generating, Manipulated, Modified, Produce, Quickly, Rotated

http://simulations.narod.ru/The task is to pack big box with several small boxes. The objective is to maximize total area of all small boxes. I made fitness in follow way: it is area minus penalty in case of overlapping small boxes also overlapping area subtracted from fitness. There are several...


Platforms: Matlab

Keyword: Box Packingm, Degrees, Exchange, Mutations, Nearest, Places, Random, Rotation, Visibleinvisible, Works

http://simulations.narod.ru/The diffusion is simulated as set of points with random step each frame of time. Looks like brownian motion.Step of point can be estimated from diffusion equation:dn/dt=D*(d2n/dx2+d2n/dx2)then approximately:1/dt=D/dx^2dx=sqrt(D*dt)dt - time stepD - diffusion...


Platforms: Matlab

Keyword: Approximately, Coefficient, Dddx, Dndt Ddd Ndx Ndx, Dsqrtddt, Equation, Estimated, Motion, Point, Points

The function makes use of the inbuilt interp1 function to perform 2D extrapolation on a given data set. The input to the function is in the same format as required by interp2.eg. Zi = interpextrap2(X,Y,Z,Xi,Yi).Only it does not take "method" input. Method is 'cubic' by default. But the 'method'...


Platforms: Matlab

Keyword: Changed, Cubic, Default, Editing, Interp, Interpextrap Xyzxiyi, Method, Quotmethodquot, Required

2D FDTD for observing coupling of light in ring resonator structureWritten for Course :-Computational Electromagnetics, Fall 2011Department of Electrical EngineeringIndian Institute of Technology Madras (IITM)Chennai - 600036, IndiaAuthors :-Sathya Swaroop Ganta, B.Tech., M.Tech. Electrical...


Platforms: Matlab

Keyword: 100nm, Central, Circular, Distance, Radius, Ridged, Upper, Waveguide

2D FDTD of light guided through a photonic crystal 1X4 power splitter deviceWritten for Course :-Computational Electromagnetics, Fall 2011Department of Electrical EngineeringIndian Institute of Technology Madras (IITM)Chennai - 600036, IndiaAuthors :-Sathya Swaroop Ganta, B.Tech., M.Tech....


Platforms: Matlab

Keyword: 1x4, 2d, Crystal, Device, Fdtd, Guided, Light, Photonic, Power, Splitter

2D FDTD simulation of light in a waveguide splitter/combinerWritten for Course :-Computational Electromagnetics, Fall 2011Department of Electrical EngineeringIndian Institute of Technology Madras (IITM)Chennai - 600036, IndiaAuthors :-Sathya Swaroop Ganta, B.Tech., M.Tech. Electrical...


Platforms: Matlab

Keyword: Analytically, Coupling, Fathomable, Leaked, Leaks, Length, Neighboring, Travels, Waveguides

this filter is used for image Enhancement or de-nosingThis function is used different mask size for filtering.....this function applied direct on 2D image or matrix


Platforms: Matlab

Keyword: Applied, Denosing, Direct, Enhancement, Filter, Filteringthis, Function, Image, Matrix

function mHist = hist2d ([vY, vX], vYEdge, vXEdge)2 Dimensional HistogramCounts number of points in the bins defined by vYEdge, vXEdge.size(vX) == size(vY) == [n,1]size(mHist) == [length(vYEdge) -1, length(vXEdge) -1] EXAMPLEmYX = rand(100,2);vXEdge = linspace(0,1,10);vYEdge =...


Platforms: Matlab

Keyword: Colorbar, Hist Dmyxvyedgevxedge, Linspace, Mhist, Nxbins, Nybins, Rand, Vylabelmhist

D2Q9 MRT lattice Boltzmann have been used to simulate fluid flow inside of a rectangular lid-driven cavity. Bounce back BC implements for 3 stable walls and Zou and He BC scheme performs for moving wall.


Platforms: Matlab

Keyword: Boltzmann, Bounce, Cavity, Implements, Moving, Performs, Scheme, Simulate, Stable, Walls

LineCurvature2D, This function calculates the curvature of a 2D line. It first fits polygons to the points. Then calculates the analytical curvature from the polygons. K = LineCurvature2D(Vertices,Lines) inputs, Vertices : A M x 2 list of line points. (optional) Lines : A N x 2 list of line...


Platforms: Matlab

Keyword: Curvature, Dlinenormals Dvl, Linecontour, Linenormals, Lines, Neighbouring, Normals, Outputs, Values

Compute the minimal bounding box of a set of 2D points, similarly to the "Minimal Bounding Rectangle" of John D'Errico.However: - The algorithm is fully vectorized (matlab implementation, no for loop). Thus it is better for big set of points - It computes only the minimum area rectangle, not the...


Platforms: Matlab

Keyword: Algorithm, Computes, Fully, Implementation, Matlab, Minimum, Perimeter, Rectangle, Vectorized

Mohr's circle is a graphical technique that permits transformation of stress from one plane to another and can also lead to the determination of the maximum normal and shear stresses. This file simply draws Mohr's circle with the correct stress elements while labeling the principle stresses and...


Platforms: Matlab

Keyword: Angle, Correct, Draws, Easily, Elements, Labeling, Principle, Rotation, Simple

This will allow you to generate the deformation field needed for contour guided multi-modal image registration. I have solved this intractable computing problem, and survived global invitation to challenge my intellectual dominance. Please email or call me if you have question. Please cite my...


Platforms: Matlab

Keyword: Challenge, Components, Computer, Dominance, Email, Intellectual, Methods, Programs, Question

Two 2D phase unwrapping approaches are included:1. Phase quality guided path following method.2. Goldstein's branch cut method.The algorithms are described in:D. C. Ghiglia and M. D. Pritt, Two-Dimensional Phase Unwrapping:Theory, Algorithms and Software. New York: Wiley-Interscience, 1998


Platforms: Matlab

Keyword: Algorithms, Ghiglia, Pritt, Software, Theory, Twodimensional, Unwrapping, Wileyinterscience

Find the intersection points of the edges of two 2D polygons, a simple function made to follow up a Newsgroup discussion


Platforms: Matlab

Keyword: Discussion, Edges, Follow, Function, Intersection, Newsgroup, Points, Polygons, Simple