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updated 2 days ago

Chromatography Toolbox by James Dillon

Open-source code for processing chromatography data in the MATLAB programming environment. (chromatography, agilent, chemistry)

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updated 10 days ago

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (spline, splinefit, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated 14 days ago

2D and 3D Remapping by Mohammad Abouali

Creates Remapper (Interpolant/Extrapolant) for efficient mapping of data on 2D and 3D grids. (interpolation, extrapolation, least square)

Construct_D_Eta(M,N,OpOrder)

Construct_D_Xi(M,N,OpOrder)

Construct_G_U_Eta(M,N,OpOrder)

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updated 28 days ago

sigm_fit(x,y,fixed_params,initial_params,plot_flag) by R P

Optimization of parameters of the sigmoid function (curve fitting, sigmoid, logistic)

sigm_fit(x,y,fixed_params,initial_params,plot_flag)

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updated 2 months ago

Multivariate Polynomial Regression by Ahmet Cecen

Performs polynomial regression on multidimensional data. (polynomial regression, statistics, multivariable regress...)

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updated 3 months ago

Fast 'n easy smoothing by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (smooth, curve fitting, image processing)

smoothn(varargin)

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updated 3 months ago

Interactive Peak Fitter (Version 11) by Tom O'Haver

Keyboard operated peak fitting function for time-series signals. (chemistry, curve fitting, physics)

DemoPeakfitBootstrap

ExpBroaden(y,t)

IPFDemo11Gauss

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updated 3 months ago

Evolutionary curve fitting by Bartlomiej Ufnalski

Particle swarm optimization is used to perform the thermal transient impedance curve fitting. (curve fitting, thermal modelling, thermal modeling)

curve_fitting_PSO.m

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updated 3 months ago

Fitting quadratic curves and surfaces by Levente Hunyadi

Fit ellipses, ellipsoids and other quadratic curves and surfaces to noisy data. (parameter estimation, quadratic curves, quadratic surfaces)

ang2rot(phi, theta, psi)

circlefit(x,y)

eigsm(A,B)

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updated 4 months ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.7, September, 2014 (chemistry, curve fitting, decomposition)

[FitResults,LowestError,baseline,BestStart,xi,yi,BootResu...

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updated 4 months ago

Power Law, Exponential and Logarithmic Fit by Jonathan C. Lansey

Finds and plots the linear fit to some data points when plotted on a log scale. (curve fitting, fitting, power law)

logfit(x,y,varargin)

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updated 8 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 8 months ago

Active geometric shape models by Quan Wang

The active geometric shape model is a novel approach for fitting geometric shapes in images. (image processing, mathematics, optimization)

AGSM Canvas

DD=myspline(D,theta)

GI=gaussianBlur(I,s)

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updated 9 months ago

Johnson Curve Toolbox by Dave

Fit a Johnson distribution to non-normal data (curve fitting, johnson distribution, fortran port)

f_johnson_M(mu,sd,skew,kurt)

f_johnson_Q(q1,q2,q3,q4)

f_johnson_aic(X,coef,type)

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updated 9 months ago

CurveFiting by nik single

CurveFiting of Quadratic Equation (curve fitting)

4.CurveFiting_Quadratic Equation.m

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updated 1 year ago

Circle Fit using Landau Method by Sumith YD

Uses a non iterative and simple geometric fit. A modified version of Landau (circle fit, arc fit, curve fitting)

Landau_new(x,y)

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updated 1 year ago

Calculation of Enthalpy and LiBrH2O Concentration from Curve-Fitting Equations by Ashish Meshram (Meet)

Calculation of Enthalpy and LiBrH2O Concentration from Curve-Fitting Equations (enthalpy, concentration, lithium bromide water...)

EqLiBrH2O(x,t)

LiBrH2O(t,p)

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updated 1 year ago

LMFnlsq2 by Miroslav Balda

Solution of one or more nonlinear equations in the least squares sense. (nonlinear least squar..., curve fitting, identification)

LMFnlsq2.m

LMFnlsq2test.m

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updated 1 year ago

Sine function fit by R P

Optimization of parameters of the sine function to time series (sine, curve fitting)

[param]=sine_fit(x,y,fixed_params,initial_params,plot_flag)

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updated 2 years ago

MATLAB Tools for Scientist by Asawari Samant

Files from the webinar: MATLAB Tools for Scientists- Introduction to Data Analysis and Visualization (dose response, data import, gui)

Characterization of Dose-Response Behavior

Dose Response Analysis

DoseResponseFit(varargin)

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updated 2 years ago

Polynomial Curve Fitting by Khaled Sharif

Will fit two sets of data to a polynomial. (curve fitting, simulation, polynomials)

fitting (x,y, max)

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updated 2 years ago

fitExponential.m by Jing Chen

Fitting with single exponential curve in the form of: yFit = yInf + (y0-yInf) * exp(-k*(x-x0)) (curve fitting, exponential curve, exponential)

fitExponential(x, y)

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updated 2 years ago

Curve fitting using polygonal representation by Salah Eldin

The function can be used in representing curves by connected straight lines. (polygonal representat..., curve fitting, linearization)

fitPoly(im_name, epsilon)

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updated 2 years ago

Gaussfit by roobie goyal

This file calculates gaussian fit (curve fitting)

[sigma,mu,A]=mygaussfit(x,y,h)

main

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updated 2 years ago

Savitzky-Golay smoothing filter by Shao Ying Huang

provide an alternative for Savitzky-Golay smoothing filter (data smoothing, curve fitting, least square)

savitzkyGolay1D_rle(vIN,order,interval)

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updated 2 years ago

Generate coefficients for 1D Savitzky-Golay smoothing filters by Shao Ying Huang

function c = generate_savitzkyGolay_coef1D(order,interval) (curve fitting)

generate_savitzkyGolay_coef1D(order,interval)

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updated almost 3 years ago

Weighted Nonlinear Curve Fit Script with Plotter by Jannick

This curve fitting script calculates best guess and errors using data with y-error. Plot see preview (fitting, nonlinear fitting, weighted nonlinear fi...)

paramtext(fitstr,c,cerr,nr,c2doF,Q,strings)

wnonlinfit(x,y,yerr,func,beta0,varargin)

example.m

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updated almost 3 years ago

Fit Logistic Curve to a Data Set by Varuna De Silva

This is a Matlab GUI, that will try to fit a logistic function to a given set of data. (logistic fuction, curve fitting)

Logistic(varargin)

e=myerror(x,t,m)

e=sum_sq_e(x,t,m)

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updated almost 3 years ago

Moving Least Square(MLS2D) by Jin

this codes is for 2-D questions (moving least square, interpolation, curve fitting)

MLS2DShape.m

Weight2D(type, para, x,y,xI,yI,dmI)

[Xg, Yg,WEI,Ngau]=GAUSSpoint(X1cell,Y1cell,X2cell,Y2cell,...

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updated almost 3 years ago

Moving Least Square(MLS1D) by Jin

the file can be used to numeric interpolation based on moving Least Square. (interpolation, least square, curve fitting)

MLS1DShape(m, nnodes, xi, npoints, x, dmI, wtype, para)

Weight(type, para, di, dmI)

MLS1D.m

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updated 3 years ago

Data Driven Fitting com MATLAB by Elia Matsumoto

Slides from the recorded webinar in Portuguese: "Data Driven Fitting com MATLAB" (webinar, portuguese, matlab)

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updated 3 years ago

spline_deriv by Samuel Lazerson

Calculates the jth derivative of spline as produced by mkpp and returns a spline. (mathematics, spline, curve fitting)

spline_deriv( pp,jderiv )

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updated 3 years ago

Logistic Curve Fitting by Varuna De Silva

This is a Matlab GUI to fit a given data set with a Logistic Function (curve fitting, logistic function, itu bt500)

Logistic(varargin)

e=myerror(x,t,m)

e=sum_sq_e(x,t,m)

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updated almost 4 years ago

Demo files for "MATLAB for Excel Users" webinar by Jiro Doke

This is the demo used in March 22, 2011 webinar "MATLAB for Excel Users". (excel, webinar, mathworks)

Energy Forecast Demo

ForecastGUI(varargin)

createSurfaceFit(thisHour, thisTemp, thisPower)

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updated 4 years ago

Interactive regression on a plot by Ivar Eskerud Smith

Perform regression on plotted data in a figure by manually choosing the regression area. (interactive, regression, polyfit)

figreg( f, n, varargin )

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updated almost 5 years ago

Gravity Measurement Case Study by Robert Bemis

Scientific imaging case study with MATLAB and toolboxes. (tutorial, example, image acquisition)

FindImaqDevices(desiredFormat)

[x,y]=limits(a)

readme

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updated almost 5 years ago

clickfit_OH for curve fitting by eye/hand by Oscar Hartogensis

click a data-series on top of a (noisy) scatterplot and get a spline or polynomial regression (curve fitting, spline, regression)

clickfit_OH(varargin)

ginput_OH(arg1,strpointertype,xx,yy)

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updated 5 years ago

Discrete Least-Squares Rational Approximation by Carlos Borges

Constructs discrete least-squares rational approximations to data using a full-Newton algorithm. (mathematics, rational approximatio..., nonlinear least squar...)

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updated almost 6 years ago

LOGREG by Marco Cococcioni

This script shows how to perform an univariate logistic regression in Matlab. (curve fitting, regression, logistic curve)

A SIMPLE EXAMPLE ON HOW TO PERFORM AN UNIVARIATE LOGISTIC...

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updated 6 years ago

Legendre polynomial fitting by Siqing Wu

Fitting data using a linear combination of Legendre polynomials (legendre polynomials, linear regression, curve fitting)

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updated 6 years ago

Interactive Peak Fitter, version 2.2 by Tom O'Haver

A peak fitting program for time-series signals. (chemistry, physics, peak fitting)

(2.*n)./(1+n);

4*exp(-e).*(1-exp(-e)); g(1:round(a1))=0;

ExpBroaden(g',timeconstant);

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updated 7 years ago

Demo Files for "Data Analysis with Statistics and Curve Fitting Toolboxes" 2007 Webinar by Stuart Kozola

Demo file from the August 7, 2007 Live Webinar (statistics, probability, curve fitting)

Analysis of Wing Stresses on a Prototype Aircraft

createfigure(X1, Y1, X2)

cubicfit(x,y)

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updated 7 years ago

SMIProm by Saumya Saurabh

The program helps you select ROI from image and find and process intensity profile (chemistry, physics, gui)

SMIProm(varargin)

confcallgrabit(varargin)

cropimage(fileName)

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updated 10 years ago

cfaxisset by Zhang Jiang

Set axis property of figure Curve Fitting Toolbox. (optimization, cftool, axis)

cfaxisset(varargin)

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