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updated 2 years ago

Scalable Vector Graphics (SVG) Export of Figures by Juerg Schwizer

Converts 3D and 2D MATLAB plots to the scalable vector format (SVG). (specialized, plotting, svg)

demo_svg_water

plot2svg.m

simulink2svg

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updated 25 days ago

Support Vector Regression by Ronnie Clark

A MATLAB implementation of Support Vector Regression (SVR). (regression, nonlinear, machine learning)

svr_trainer(xdata,ydata, c, epsilon, kernel, varargin)

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updated 9 years ago

Plot 2D/3D Vector with Arrow by Rentian Xiong

This function plots a line vector with arrow head. (2d, 3d, vector)

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updated 3 years ago

Simple example of PSO algorithm by Andrea Cirillo

Matlab function to find the minimum of a objective function with the PSO Algorithm (optimization, mathematics, pso)

[p_min, f_min, iter]=pso(func, numInd, range, n_var, tole...

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updated 2 years ago

Numerical Computing with MATLAB by Cleve Moler

Apps from Numerical Computing with MATLAB (mathematics, matrix, article)

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updated almost 4 years ago

Bisection's method by Andrea Cirillo

It's a matlab function that finds a regular real function's zero with the bisection's method. (optimization, mathematics, bisection)

p_min=bisection(func,int,iter,tol_x,tol_f)

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updated 5 years ago

Writing Fast MATLAB Code by Pascal Getreuer

Speed up your project with this collection of techniques. (whitepaper, article, paper)

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updated 8 months ago

1D Finite Element Method (FEM) Example by Cheuk

A 1D finite element method (FEM) example is provided to teach the basics of using FEM to solve PDEs. (finite, element, method)

a_def(node)

act_quad(dof_pos, ref_quad_pos, num_edges)

compute_RHS_global(RHS_local, loc_glob, num_edges)

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updated 2 years ago

Experiments with MATLAB by Cleve Moler

Apps from Experiments with MATLAB (mathematics, matrix, article)

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updated 4 months ago

Particle Swarm Optimization (Vectorized Code) by Reza Ahmadzadeh

a simple implementation of Particle Swarm Optimization algorithm (PSO) (pso, particle swarm, swarm intelligence)

VPSO.m

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updated almost 11 years ago

JPEG Compression by Ohad Gal

An example for jpeg compression and the restoration. (compression, jpeg, function)

jpeg

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updated 6 years ago

NaN Suite by Jan Gläscher

Descriptive Statistics for N-D matrices ignoring NaNs. (statistics, probability, nan)

nanmax.m

nanmean.m

nanmedian.m

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updated almost 4 years ago

Image Error Measurements by Michael Chan

Measures the differences between 2 images, and measurement of image quality. (image processing, fidelity, quality)

...

E=eme(X,M,L);

PSNR(A,B)

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updated 1 year ago

Bilinear interpolation of an image or matrix by Disi A

This function performs bilinear interpolation for a given image or matrix at any location (image processing, signal processing, optimization)

interVal=interpImg(img,yx,zpad)

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updated 5 years ago

smooth2a by Greg Reeves

Smooths a 2D matrix using a mean filter over a user-defined rectangle. Ignores and preserves NaNs. (2d, approximation, interpolation)

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updated almost 3 years ago

Simple example of genetic algorithm for optimization problems by Andrea Cirillo

It is used to generate useful solutions to optimization and search problems. (genetic, algorithm, optimization)

[p_min, iter, f]=genetic_algorithm (func, numMaxInd, numF...

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updated 17 years ago

routh.m by Edmundo Rivera-Santos

Returns the symbolic Routh array given a polynomial. (symbolic math, routn, symbolic)

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updated 1 month ago

Export figure to 3D interactive PDF by Ioannis Filippidis

Export figure as U3D file or directly to 3D interactive graphics within PDF. (3d, u3d, graphics)

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updated 9 years ago

Erdos-Renyi Random Graph by Pablo Blinder

Random graph generation. (random, graphs, graph theory)

P=permPairs(N)

[G]=erdosRenyi(nv,p,Kreg)

[x,y]=getNodeCoordinates(nv)

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updated 3 years ago

Laplacian in 1D, 2D, or 3D by Andrew Knyazev

Sparse (1-3)D Laplacian on a rectangular grid with exact eigenpairs. (matrix, mathematics, laplacian)

laplacian(varargin)

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updated 1 year ago

Unit_Commitment by KATHIM Alrifai

Optimal Loading for a Power Station (Unit Commitment) (optimization, measurement, control design)

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updated 28 days ago

display_matrix by Marshall

Plots the values of a matrix to a MatLab figure. (mathematics, matrix, statistics)

display_matrix(matrix,varargin)

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updated 4 years ago

image processing-zooming an image using Bilinear interpolation by Dimuthu Senanayaka

Bi linear interpolation method has been used here for zooming images by a positive integer factor. (image processing, mathematics, matrix)

bilinear_zoom(file,fac)

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updated almost 3 years ago

Newton's method done right by Andrew Knyazev

Newton's method for solving systems of nonlinear equations, including nonsquare and inconsistent (mathematics, physics, modeling)

Newton(X,F,X0,varargin)

NewtonDemoRunMe.m

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updated 7 years ago

Draw a circle in a matrix / image by Peter Bone

Draw a circle in a 2D matrix using the integer midpoint circle algorithm (draw, circle, 2d)

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updated 2 years ago

Cofactor Matrix Generator by Angelica Ochoa

Generates a matrix of cofactor values for an M-by-N matrix. (mathematics, statistics, linear algebra)

cof=cof(a);

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updated 1 year ago

Locally Adaptive Kernel Density Estimation by Hideaki Shimazaki

Kernel density estimation with bandwidths locally adapted to data. (statistics, bandwidth, kernel)

sshist(x,N)

sskernel(x,tin,W)

ssvkernel(x,tin)

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updated almost 3 years ago

Example using a MATLAB Class to control a GUI by Alex

This example shows how to use a Matlab class to control a gui. (class, gui, passing gui data)

standard_fig(varargin)

gui_class_example

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updated 2 years ago

Symmetric eigenvalue decomposition and the SVD by Yuji Nakatsukasa

Eigendecomposition of a symmetric matrix or the singular value decomposition of an arbitrary matrix (mathematics, matrix, eigenvalue)

qdwh(A,alpha,L,piv)

qdwheig(H,normH,minlen,NS)

qdwhsvd(A,a,b,minlen,NS);

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updated 1 year ago

tridiag.m by Mark Holmes

tridiagonal matrix equation solver (Thomas algorithm) (mathematics, matrix)

tridiag( a, b, c, f )

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updated almost 10 years ago

smooth2 by Kelly Hilands

Smooths the data in a 2D matrix with a user-defined resolution. (approximation, interpolation, 2d)

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updated 1 year ago

K means clustering for Image Compression by Vinay Kumar Tadepalli

K-means clustering is a popular vector quantization method for data compression. (image processing, simulation, demo)

Kmeans_Pre_Post.m

kmeans_clustering.m

Image_kmeans_main.m

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updated 3 years ago

LSMR: An iterative algorithm for least-squares problems by David

Official successor to the LSQR algorithm, developed by David Fong and Michael Saunders. (matrix, sparse matrix, linear equation)

[x, istop, itn, normr, normAr, normA, condA, normx]...

lsmrtest( m,n,lambda,localSize )

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updated 2 years ago

Beam Propagation Method for advancing gaussian beam in a profiled medium by Ido

Basic GUI for Beam Propagation Method. (gui, mathematics, simulation)

Beam Propagation Method for advancing gaussian beam

Beam_Propagation_Method_GUI ( varargin )

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updated 1 year ago

Fit 2D Gaussian with Optimization Toolbox by Nathan Orloff

Fit a 2D rotated gaussian. http://en.wikipedia.org/wiki/Gaussian_function (image processing, optimization, signal processing)

fmgaussfit(xx,yy,zz)

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updated almost 14 years ago

Koch.m by Salman Durrani

A function which plots the 'Koch curve' fractal. (fractals, koch curve fractal, mathematics)

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updated 6 years ago

Genetic Algorithm by Djaghloul Mehdi

Multimodal Function Optimisation (optimization, genetic algorithm, ga)

Fit_fun_val=fit_fun(v)

[w]=JGAopt(w0,pop_size,Kga_fin,Max_error)

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updated 4 years ago

Newton-Raphson Method for 2 variables by Jesus Hernandez

Newton method for non-linear system of 2 variables (also solves linear system) (numerical linear alge..., mathematics, matrix)

newton2v2.m

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updated 4 years ago

Gradient from Neural Network by Alan Jennings

Function that takes a NN and creates a new NN that gives the gradient. (neural networks, function, gradient)

NN_DerivativeValidate

NN_GradientFunction(net)

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updated almost 4 years ago

DGradient by Jan Simon

Gradient of arrays as fast C-Mex (derivative, gradient, array)

DGradient(X, Dim, Spacing, Method)

uTest_DGradient(doSpeed)

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updated 1 year ago

Grid of points within a polygon by Sulimon Sattari

This function generates an array of points that lie within a given polygon (polygon, points, point)

polygrid( xv, yv, ppa)

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updated 5 years ago

imagescnan.m v2.1 (Aug 2009) by Carlos Adrian Vargas Aguilera

Same as IMAGESC but ignores NaNs. (specialized, plotting, imagesc)

imagescnan(varargin)

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updated 3 years ago

nancumsum by Brett Shoelson

Compute the cumulative sum of matrices, specifying the treatment of NaNs. (nan, cumulative, sum)

B=nancumsum(A,dim,nmode)

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updated almost 4 years ago

Accelerating Finite Element Analysis (FEA) in MATLAB by Vaishali Shrivastava

Accelerate computationally intensive part of FEA by using Parallel computing. (mathematics, physics, parallel computing)

checkgeometry(node,edge,face,hdata)

circumcircle(p,t)

computeMForcesfromV(nodes, edges, triangles, potential, g...

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updated almost 2 years ago

CELP codec by Sourav Mondal

This is a code to demonstrate CELP codecs of bitrate 9.6kbps and 16kbps. (celp, audio codec, lpc)

celp16k(x,N,L,M,c,cb,Pidx)

celp9600(x,N,L,M,c,cb,Pidx)

celpana(x,L,M,c,cb,Pidx,bbuf,ebuf,Zf,Zw)

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updated 5 years ago

Gaussian Pyramid by Pranam Janney

Generates a gaussian pyramid for the given input image (image processing, mathematics, data import)

Gscale(img,levels,gsize,sigma);

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updated 4 months ago

Read TIFF / TIF stacks efficiently, with lazy loading by Dylan Muir

Read a TIFF stack as a memory-mapped tensor. Handles a large range of internal TIFF formats. (tiff, tif, image manipulation)

TIFFStack

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updated 2 years ago

Monte Carlo Markov Chain for inferring parameters for an Ordinary Differential Equation model by Soumya Banerjee

This function uses a Monte Carlo Markov Chain algorithm to infer parameters for an ODE model (biotech, data export, data import)

mcmc_ode

analyze_mcmc(parallel)

test_gamma()

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updated 3 years ago

Simple example of the Simplex Method by Andrea Cirillo

It's a function that finds the minimum value of a two variables function with the simplex method. (mathematics, optimization, function)

simplexMethod.m

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updated almost 2 years ago

Edit Distance Algorithm by Reza Ahmadzadeh

Edit Distance is a standard Dynamic Programming problem. (mathematics, search, dynamic programming)

EditDistance(string1,string2)

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