distance2curve by John D'Errico

Find the closest point on a (n-dimensional) curve to any given point or set of points (arclength, interpolant, distance)

distance2curve(curvexy,mapxy,interpmethod)

ROC curve by Giuseppe Cardillo

compute a ROC curve (receiver operating ch..., roc, statistics)

ROCout=roc(varargin)

Construction of cubic Bezier Patch and Surface by Dr. Murtaza Khan

Construction of cubic Bezier Patch and Surface (cubic bezier, patch, surface)

Q=bezierpatchinterp(P,varargin)

plotbezierpatch3D(P,Q)

plotbeziersurface3D(S,Q)

EzyFit 2.41 by Frederic Moisy

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

Discover Ezyfit: A free curve fitting toolbox for Matlab

about_ef (Ezyfit Toolbox)

axis0 (Ezyfit Toolbox)

kappatau by Ritchie Smith

Draw kappa tau space curve. (kappa, tau, curve)

kappatau(kappa,tau,smax,varargin)

Interactive curve class by Maxim Vedenyov

change curve by markers drag-and-drop (interactive, curve, interpolation)

example4(varargin)

ic=example3

interactive_curve

gapolyfitn by Richard Crozier

optimises the functional form of a multi-dimensional polynomial fit to model data (optimization, linear regression, modelling)

GenerateNewTerm(vars, maxPower, poly, maxLoops)

HasTerm(p1, p2, newTerm, vars)

PolyFitScore(polyVec, polyStruct)

arclength by John D'Errico

Compute the arclength of a general curve in any number of dimensions (arclength, spline, curve)

arclength(px,py,varargin)

polyfitn by John D'Errico

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

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

Generalised bezier curve matlab code by Lakshmi Narasimhan

Takes n point inputs through cursor or kerboard ,plots a bezier curve using them as control points (bezier curve, parametric curve, bernstein)

Generalised_bezier_curve_matlab_code.m

Rose curves by Maxim Vedenyov

plots rose curves, rho=cos(k*theta), k is rational (rose, curve, rational)

rose_curves.m

Fractal curves by Jonas Lundgren

A collection of m-files to generate fractal curves in the complex plane. (mathematics, fractal, curve)

arrowhead(n)

dragon(n)

flowsnake(n)

Fast Parsing of Line Segments in a BW Mask by Jonathan Sullivan

Quickly determines the portions of a line/curve that are inside and outside of a binary mask. (polygon, mask2poly, poly2mask)

lineinmask(varargin)

Bezier Curve Plotter GUI by Husam Aldahiyat

Simple GUI that allows manipulation of Bezier curves. (bezier, curve, curves)

Bezier Curve Plotter by Sagar Aiya

constructs a Bezier curve using a given set of control points (cad, curve, mathematics)

mybez()

Matlab, Nyquist, Power system, Plots, Nyquist plot. by satendra kumar

To get a appropriate Nyquist plot. (power system, demo, optimization)

lnyquist1(a,b,c,d,iu,w)

PC curve of 5 points by Lakshmi Narasimhan

Parametric curve for 5 user defined points .Good for understanding of the basic PC curve algorithm (pc curve, parametric, curve)

LA120073020.m

AdvCurveFit by Robert Bemis

Solve complex curve fit problem with parameter pooling & stratification by nonlinear least-squares. (optimization, curve, fitting)

Adventures in curve fitting

PkBgErr(x,y,pk,bg)

[x,y]=limits(a)

Reverse Chambers in a Castle by Krishna Lalith

Identify CPUs Castle Chambers with Chamber Areas and Corner Points of individual Chambers as Clues. (chamber, castle, walls)

Chamber_Castle(action)

Change_Color(hand,varargin)

[Bound_Area]=Area_Chamber(Bounds,lengthy,Castle,M,N)

Chambers in a Castle by Krishna Lalith

Design your own "Chambers in a Castle" (Jordan Curve Method). (chamber, castle, walls)

Chamber_Castle(action)

Change_Color(handy,varargin)

Color_Chamber(hand,Bounds,lengthy,Num,Castle,M,N)

Fit experimental data is easy by Jean-Luc Dellis

pbest=easyfit(x,y) (curve, fit, optimization)

[pbest,delta_p,ybest,delta_y,chi0,exitflag,output]=easyfit(...

2D Cubic Beizer Curve by Dr. Murtaza Khan

Evaluate and plot 2D cubic bezier curve for given four control points. (bezier, approximation, cubic)

Funct_Bezier(Px,Py,n)

TestCubicBezier.m

Approximation of Circle Using Cubic Bezier Curve by Dr. Murtaza Khan

Approximation of unit radius circle with four parametrix bezier curves (points, interpolation, bezier)

PlotBezier1(Px,Py,n)

[Qx,Qy]=CubicBezier1(Px,Py,n)

TestCircleApproxByCubicBezier.m

MATLAB(R) for Excel Users by Dan Doherty

Demo files from MATLAB for Excel Users webinar (excel, statistics, link)

checkmotor(rpm, motordata)

createfigure(x1, y1, y2)

dockfigures.m

GETTHETANGENT by Jean-Luc Dellis

GETTHETANGENT returns the slope and the intercept of the tangent to a curve. (tangent, curve, slope)

[slope, intercept]=getthetangent(varargin)

Get the Slope and Intercept of drawn Lines by Jean-Luc Dellis

You have to draw a line in a graph to obtain the slope of a curve or of its tangent. (slope, data exploration, trendline)

[p1,p2,slope,inter]=getslopeintercept

igesout by Daniel Claxton

Convert surfaces, curves and lines to IGES file (cad, iges, convert)

igesout(obj,filename,varargin)

myfrenet by Mehmet OZTURK

Construct tangent, normal and binormal vectors of a curve (tangent, normal, binormal)

[T N B]=myfrenet(x,y,z,init)

Fit logarithmic spiral to x,y data by H.J. Sommer

Fits logarithmic sprial r=a*exp(b*theta) to x,y data points. (log, logarithmic, curve)

eval_logspiral( cen );

fit_logspiral.m

GraphInterpreter by Giuseppe Romano

GraphInterpreter converts a graph from image format to data file (graph, curve, interpreter)

GraphInterpreter

fitgaussian by Mehmet OZTURK

fit a gaussian like curve to data (approximation, interpolation, gauss)

[f X err it]=fitgaussian(x,y,init,w)

extreme(x)

Estimatenoise by John D'Errico

Noise variance estimation from a signal vector or array (noise, variance, estimation)

estimatenoise(X,varargin)

Curve Intersect 2 by Sebastian Hölz

Finds the intersection points between two arbitrary polygons. (curve, intersection, line)

[x,y]=curveintersect(varargin)

Minkoski Curve by Mahdi Heravi

This matlab file generate minkoski Curve (fractals, minkoski, curve)

minkoskioski(x1,y1,x2,y2,n)

Fractal generator by Mahdi Heravi

this program generate sirpinski curve with matlab (fractals, sirpinski, fractal)

sir_pin()

Frenet by Daniel Claxton

FRENET - Frenet-Serret Space Curve Invarients (normal, binormal, frenet)

frenet(x,y,z),

Rational Polynomial curve fitting by Paul Godfrey

Fits a function to a quotient of polynomials (approximation, fit, rational)

ratpolyfit(x,y,kn,kd)

Figure Digitizer by Hongxue Cai

Digiize a curve in a figure to get the data coordinates. (digitize, curve, graphics)

figdi

Builder for Excel Demo: Curve Fitting by Amit Jain

Shows how to compile a MATLAB function that performs curve fitting into an Excel add-in (external interface, matlab, excel)

excelfitdemo(t,y)

fitfun(lambda,t,y,handle)

click_fit by Nassim Khaled

You can now choose some arbitrary points by using the mouse, and fit a curve on the top of your ... (fit, click, curve)

[p]=click_fit(nb_data_pts,order_poly,xmin,xmax,ymin,ymax)

Plot Curve with GUI by mehdi amoon

This program plot a curve in gui. (electronics, plot, gui)

untitled(varargin)

Curvature-Torsion Defined Curve by Paolo Panarese

Given torsion and curvature functions, compute the curve uniquely. (curvature, frenet, torsion)

frenet(curvature,torsion, T0,N0, tspan, handles)

frenetgui(varargin)

visualizefrenet(j,x,Tg,Nm,Bn,t, factor, handles)

TubePlot by Janus H. Wesenberg

Construct a tube, or warped cylinder, along any 3D curve. (specialized, plotting, 3d)

[x,y,z]=tubeplot(curve,r,n,ct)

Hilbert Curve by Federico Forte

How to draw the famous Hilbert curve, the curve that fills an area. (hilbert, fractal, curve)

hilbert(n)

COM Builder Demo: Curve Fitting by Amit Jain

Shows how to compile a MATLAB function that performs curve fitting into a generic COM object. (external interface, builder example, com)

fitdemo(XData, YData)

fitfun(lambda,t,y,handle)

Klein Bottle 2 by C. Edwards

Klein Bottle 2 (gallery, klein bottle, figure 8)