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updated 3 days ago

Linear regression for multiple category data with different slopes for each by Soumya Banerjee

The function does OLS and RMA regression on data that is categorized into two different categories (aerospace, biotech, communications)

regress_plot_twocategories_allslope

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updated 16 days ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

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updated 24 days ago

interpm2 by Chad Greene

Densify or interpolate along paths with approximately equal spacing in meters or kilometers. (interpm, interpolation, mapping)

interpm2

interpm2(lat,lon,maxdiff,method,units,tolerance)

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updated 1 month ago

DimensionedVariable Class - units support for MATLAB by Sky Sartorius

A new variable type allowing use of real-world units and dimensions with enforced unit consistency. (units, dimensioned, aerospace)

DimensionedVariable Class for MATLAB - notes and demos

u2num( varargin )

unitsOf(in)

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updated 2 months ago

polyfitn by John D'Errico

Polynomial modeling in 1 or n dimensions (polyfit, modeling, regression)

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

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updated 2 months ago

SLM - Shape Language Modeling by John D'Errico

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

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updated 4 months ago

EzyFit 2.42 by Frederic Moisy

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

Discover Ezyfit: A free curve fitting toolbox for Matlab

about_ef (Ezyfit Toolbox)

axis0 (Ezyfit Toolbox)

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updated 5 months ago

polyfitZero by Mark Mikofski

Fit polynomial to data, forcing y-intercept to zero or arb. value and slope to zero or arb. value (mathematics, modeling, data exploration)

polyfitZero example

polyfitB(x,y,degree,b)

polyfitB0(x,y,degree,b)

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updated 5 months ago

Newton-Raphson solver by Mark Mikofski

Yet another solver that uses the backslash function to solve a set of non-linear equations. (mathematics, optimization, data exploration)

newtonraphson_example

newtonraphson(fun, x0, options)

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updated 6 months ago

Regularization Kaczmarz Tools Version 1.0 for Matlab by Andrey Ivanov

Regularization Column version of Kaczmarz algorithmfor solving ill-posed systems (iterative projection ..., incorrect problems, regularized solution)

Convergence of the regularized form of the Column-Kaczmar...

columnkaczmarz(A,b,K,x0,options)

randcolumnkaczmarz(A,b,K,x0,options)

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updated 10 months ago

A Few Modulations by Jared

ASK, BPSK, FSK and QPSK modulations done by hand. (communications, signal processing, modulations)

ask_mod

bpsk_mod

fsk_mod

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updated 11 months ago

Hiding multiple Text pages into a Color image by Cherma Rajan A

This program can embed/hide maximum of six monochrome Text pages into a Color image without loss. (color, watermarking, text hiding)

HIDING MULTIPLE TEXT PAGES INTO A COLOR IMAGE

altertxt(im_tx1,im_tx2)

extracttxt(im)

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updated 12 months ago

NumSim toolbox by Mathieu Gendron

Multiphysic boundary value problems, interpolation, meshless, points generation, simulation (multiphysics, boundary value proble..., interpolation)

Acoustic field simulation

Analyse_geometry_definition

Blender use

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updated 1 year ago

3D Surface Plot For Data Visualization by Yehonatan Peleg

Easy to use function for 3d surface plotting of sample data. (3d, 3d surface, 3d plot)

vecsurf_demo

vecsurf(varargin)

vecsurf_testmain.m

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updated 1 year ago

The carpetplot class by Matthias

Create carpet plots and cheater plots easily (plotting, carpet, carpet plot)

Carpetplot Class Example Plots

arrow(varargin)

h=hatchedline(xc,yc,linespec,theta,ar,spc,len,varargin)

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updated 1 year ago

Spline2D or Piecewise Continuous 2D Polynomials by Mark Mikofski

Fit a 2D function with piecewise continuous polynomials (data exploration, interpolation, mathematics)

examples

splineFit2D(f,x,y,n,m,xb,yb,continuity,ngrid)

splineVal2D(pp,x,y,n,m,xb,yb)

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updated 1 year ago

Linear regression with statistics for multiple category data by Soumya Banerjee

This function does linear regression with statistics for multiple category data (OLS and RMA) (aerospace, automotive, biotech)

regress_plot_twocategories

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updated 2 years ago

A Graphical User Interface for Solving Delay Differential Equations and doing Local Search by Soumya Banerjee

A GUI for solving a set of delay differential equations (DDEs) and local search for best solutions (biotech, data export, data import)

odesolver_outline

...

dde_auto_fit

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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 2 years ago

Free Split and Merge Expectation Maximization for MultiVariate Gaussian Mixture by Sebastien PARIS

FSMEM can estimate MVGM parameters and number of conpounds via split/merge cluster moves (mathematics, optimization, signal processing)

test_fsmem_mvgm

gene_mvgm(d , K , sig)

init_mvgm(Z , K)

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updated 2 years ago

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (approximation, interpolation, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated 3 years ago

B-spline tools by Jan Tore Korneliussen

Basic toolbox for polynomial B-splines on a uniform grid. OO overloading of common operators. (splines, approximation, interpolation)

B-spline toolbox

bspline0( x )

bspline1( x )

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updated almost 4 years ago

Image Interpolation (ba_interp2) by Brian

Fast nearest, bi-linear and bi-cubic interpolation for image data (interp2, interpolation, nearest neighbour)

ba_interp2_test

ba_interp2(F, X, Y, method)

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updated almost 4 years ago

Fourier transform demonstration by David Young

An introductory demonstration of the discrete Fourier transform, making use of the fft function. (fourier transform, discrete fourier tran..., fast fourier transfor...)

Introductory Fourier Transform Demonstration

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updated almost 4 years ago

Surface Fitting using gridfit by John D'Errico

Model 2-d surfaces from scattered data (approximation, interpolation, modeling)

gridfit_demo

gridfit(x,y,z,xnodes,ynodes,varargin)

test_main.m

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updated 5 years ago

Fixed Point Radix-4 FFT by Mike Donovan

These functions compute a fixed point radix-4 FFT.You can generate C code from this m-code. (communications, fixed point, signla processing)

Radix-4 FFT Test Script

plotPYYf(sf,Fs)

radix4FFT1_Float(s)

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updated 7 years ago

fitellipse.m by Richard Brown

Fit ellipses to 2D points using linear or nonlinear least squares (approximation, interpolation, least squares)

FITELLIPSE : Least squares ellipse fitting demonstration

fitellipse(x, varargin)

plotellipse(varargin)

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updated 7 years ago

fitcircle.m by Richard Brown

Fits circles to 2D data using nonlinear least squares to minimise geometric error (approximation, interpolation, fitcircle)

Fitcircle Demonstration

fitcircle(x, varargin)

test_main.m

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updated 7 years ago

Simulink Diagnostics Examples by Seth Popinchalk

Example models that show the use of diagnostics to improve the model. (whitepaper, article, paper)

Simulink Diagnostics Examples

diagnosticsMuxAsBusCreator

diagnosticsSolverSettings

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updated 7 years ago

Lagrange Interpolator Polynomial by Dan Ellis

Find the polynomial (defined by its coefficients) passing through a set of points. (approximation, interpolation, lagrange interpolator...)

Lagrange Interpolation Polynomial

lagrangepoly(X,Y,XX)

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updated almost 8 years ago

Data Analysis with MATLAB Products - August 2006 Webinar Files by Stuart Kozola

Files used in the August 10, 2006 Webinar of same title (statistics, probability, survival)

Analyzing Seat Vibration Data Using MATLAB Products

createfigure(x1, y1, y2, y3, y4, y5)

getSeatData(fileNameBase,showplot)

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