Generate points from given conic (A,B,C,D,E,F) by Juan

generate points from ellipse, hyperbola, circles, etc. (mathematics, conics, ellipse)

points_from_conic(A,B,C,D,E,F, domain,number_points, noise_...

ELLIPSATE by R P

circumscribe data into an ellipse (ellipse, cluster)

ellipsate( dataX , dataY , stdev )

Fancy DualGraphs by Manuel Duarte

Create double axis to use with matlab plotting tools, and automatically draw markers. (dualaxis, markers, ellipse)

dualCreate()

dualFinalize(ax, markerPosition, arrowSize, arrowPosition)

gaussian mix fit of multiple connected ellipses by Georg D

processes image data containing connected ellipses. we try to fit a gaussian mixture to ellipses. (image processing, ellipse, fitting)

exampleFindEllipses

fitMixGauss(xyData,nrgaussians,param,plotresult,replicates,...

imageToData(img)

Fitting an ellipse to a given set of points using Trust Region method by Hui Ma

Ellipse fit using geometric parameters based on Trust Region minimization scheme. (ellipse, least squares, orthogonal distances)

TR_ellipse(XY,ParGIni,DeltaIni)

Fitting an ellipse to a given set of points by Hui Ma

Ellipse fits using geometric parameters based on Levenberg-Marquardt minimization scheme. (ellipse fitting, least squares, orthogonal distances)

fit_ellipseLMG(XY,ParGini,LambdaIni)

Circle/ellipse on RGB image by Kobi Nistel

Draws a circle or ellipse on a RGB image (circle, ellipse, image processing)

RGBCircle(image, x, y, rad, col , pointnum, phase)

testrgbcircle.m

elltools by Matthew

Ellipse tools (ellipse, least squares)

elltools_calc_para(c)

elltools_calc_poly(p, x1, x2)

elltools_conv_par2poly(c)

Distance from points to an ellipse by Hui Ma

Projects a set of points onto an ellipse and returns the nearest corresponding points on the ellipse (image processing, orthogonal distances, ellipse)

Residuals_ellipse(XY,ParG)

Distance between points and ellipse by Rody Oldenhuis

Compute the distances between an ellipse and an arbitrary number of points, in 3D (distance, quartic root, point cloud)

distanceEllipsePoints(XYZ, a,b,c,u,v)

Determine the distance between two ellipses (in 3D) by Rody Oldenhuis

Determine the minimum distance (and corresponding angles) between two ellipses (geometry, ellipse, quartic)

distanceEllipseEllipse(a,b,c,u,v)

Interplanetary Mission Planner & Verifier by Stephen Walker

Modeling and verification of interplanetary missions using Kepler & Newton. (newton, kepler, voyager)

pol2cartd(th,r,z)

predictor(craft_v,angle1, source_planet,target_planet )

transition(vel_in, theta_in_d, planet, miss )

Ellipse by Andrew Schwartz

Draws an ellipse or arc on the current or specified axes (circle, ellipse, draw)

ellipse(varargin)

draw_ellipse by Samir Sahli

by Sahli Samir, Sept.4th 2009,Generalization of ellipseMatrix with RGB and border conditions (ellipse, matrix, image)

draw_ellipse(y0, x0, a, b, theta, Image, FilledColors)

Mouse based dynamic 2D Graph Annotating Utility by Hrishi Shah

Add arrows/circles/rotated ellipses 2D graphs with mouse clicks. Preview the shape while dragging. (gui, plot, annotate)

Annotate_2D(varargin)

Minimum Volume Enclosing Ellipsoid by Nima Moshtagh

Computes the minimum-volume covering ellipoid that encloses N points in a D-dimensional space. (ellipse, enclosing, optimization)

MinVolEllipse(P, tolerance)

Ellipse Fit by Tal Hendel

Given a set of points (x, y) this function returns the best fit ellipse. (least sqaures, fit, ellipse)

ellipse_fit(x, y)

Radial Scan by Narupon Chattrapiban

Get radial scan of a matrix (radial, circle, profile)

rscan(M0,varargin),

POWEL=POWEr ELlipse by Vassili Pastushenko

ellipse, diamond, rectoid or boat, obtuse or sharp angles. Flexible shape for data selection or anno (annotation, customization, circle)

h=powel(varargin)

Plot an ellipse in "center form" by Nima Moshtagh

Draws 2D and 3D ellipses that are given in "center form". (specialized, plotting, plot)

Ellipse_plot(A, C, varargin)

Drawing an ellipse into a matrix image by Nicolae Cindea

Drawing an ellipse into a matrix image. (ellipse, draw, image generation)

ellipseMatrix(y0, x0, a, b, teta, Image, color)

Contour edition by Vincent Garcia

Edit an object contour using mouse interactions (contour edition, point, square)

ctr_editContour(img,o_ctrType,o_ctr)

test()

PLOT_GAUSSIAN_ELLIPSOID by Gautam Vallabha

Plots two- and three-dimensional Gaussian distributions (statistics, probability, normal distribution)

plot_gaussian_ellipsoid(m, C, sdwidth, npts, axh)

fitellipse.m by Richard Brown

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

FITELLIPSE : Least squares ellipse fitting demonstration

fitellipse(x, varargin)

plotellipse(varargin)

Ellipseselect by Rajiv Narayan

An interactive ellipse selection tool (data exploration, ellipse, selection)

cbkswitch(varargin)

ellipse(a,b,x0,y0,phi)

he=ellipseselect(varargin)

ellipseaxes.m by Dave Ciochetto

Add lines for the major and minor axes on an ellipse, returns the handles for post customization (annotation, customization, ellipse)

ellipseaxes(ax,pos,ang)

rotating ellipse by Lior Axelrod

plot rotating ellipse (rotating, ellipse, plot)

Draw.m

plot_ellipse by M MA

Draw ellipse using major, minor, inc and phase. (specialized, plotting, ellipse)

handle=plot_ellipse(major,minor,inc,phase,pos,options,type)

Vectorized geodetic distance and azimuth on the WGS84 earth ellipsoid by Michael Kleder

Geodetic distance, forward azimuth, and return azimuth between coordinates (distance, wgs84, geodetic)

vdist(lat1,lon1,lat2,lon2)

Ellipsoidal Gravity Vector by Michael Kleder

Computes the gravitational acceleration vector at a specified location using ... (jgm2, ecf, ecef)

xyz2grav(x,y,z)

CalcE.m by Richard Rieber

Calculates eccentric anomaly given mean anomaly and eccentricity of an elliptical orbit. (aerospace, aeronautics, aerodef)

CalcEA(M,e,tol)

error_ellipse by AJ Johnson

Plot an error ellipse depicting confidence interval given a covariance matrix. (confidence, covariance, ellipse)

h=error_ellipse(varargin)

fit_ellipse by Ohad Gal

Find the best fit for an ellipse using a given set of points (a closed contour). (ellipse, fit, plotting)

fit_ellipse( x,y,axis_handle )

EllipseDraw1.0 by Lei Wang

ELLIPSEDRAW can draw an arbitrary ellipse with given parameters. (circle, ellipse, specialized)

ellipsedraw(a,b,x0,y0,phi,lineStyle)

calculate_eccentricity.m by Tony Reina

Calculates the eccentricity of an ellipse (approximation, interpolation, eccentricity)

rope.m by R P Maguire

ROPE Generate coordinates of an ellipse enclosing data. (ellipse, rope, generate)

[lx,ly]=rope(x,y,level)