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updated 1 month ago

EllipseFit4HC by Viktor Witkovsky

Estimates the ellipse parameters and their uncertainties (measurement, statistics, heydemann correction)

ellipseFit4HC

ellipseFit4HC_EXAMPLE

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updated 3 months ago

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

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

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updated 3 months ago

Distance between points and ellipse by Rody Oldenhuis

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

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updated 5 months ago

Gaussian ellipses constant probability curves by Hugo

Construct data points of ellipses representing contour curves of bivariate Gaussian distributions. (gaussian, probability, contour curves)

ellipsedata(covmat,center,numpoints,sigmarule,varargin)

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updated 5 months ago

Ellipse or Hyperbola Sample Points Generation Function by I Chieh Chen

A function that generates sample points of ellipticalor hyperbolic patterns (ellipse, hyperbola, plot)

EllipseHyperbolaSamplePointGeneration( mx,my,a,b,sita,f,x...

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updated 7 months ago

Find ellipse area by Samuel Cheng

A simple code to find the area of an ellipse from its quadratic equation (ellipse, area)

Area=find_ellipse_area(coeffs)

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updated 1 year ago

Create a colored, tilted 2D error ellipse scatter plot. by Nathan Orloff

Create a colored, tilted 2D error ellipse scatter plot. (ellipse, error, errorplot)

errorellipse(ex,ey,xx,yy,varargin)

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updated 1 year ago

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, nois...

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updated 1 year ago

ELLIPSATE by R P

circumscribe data into an ellipse (ellipse, cluster)

ellipsate( dataX , dataY , stdev )

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updated 2 years ago

Fancy DualGraphs by Frequency Domain

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

dualCreate()

dualFinalize(ax, markerPosition, arrowSize, arrowPosition)

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updated 3 years ago

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,replicate...

imageToData(img)

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updated 3 years ago

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, ellipse fitting, orthogonal distances)

TR_ellipse(XY,ParGIni,DeltaIni)

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updated 3 years ago

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

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

fit_ellipseLMG(XY,ParGini,LambdaIni)

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updated almost 4 years ago

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

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updated 4 years ago

elltools by Matthew

Ellipse tools (ellipse, least squares)

elltools_calc_para(c)

elltools_calc_poly(p, x1, x2)

elltools_conv_par2poly(c)

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updated 4 years ago

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)

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updated almost 5 years ago

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 )

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updated almost 5 years ago

Ellipse by Andrew Schwartz

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

ellipse(varargin)

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updated almost 5 years ago

draw_ellipse by Samir Sahli

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

draw_ellipse.m

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updated 5 years ago

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)

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updated 5 years ago

Minimum Volume Enclosing Ellipsoid by Nima Moshtagh

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

MinVolEllipse(P, tolerance)

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updated almost 6 years ago

Ellipse Fit by Tal Hendel

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

ellipse_fit(x, y)

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updated 6 years ago

Radial Scan by Narupon Chattrapiban

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

rscan(M0,varargin),

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updated almost 7 years ago

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)

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updated almost 7 years ago

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)

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updated almost 7 years ago

Drawing an ellipse into a matrix image by Nicolae Cindea

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

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

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updated almost 7 years ago

Contour edition by Vincent Garcia

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

ctr_editContour(img,o_ctrType,o_ctr)

test()

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updated almost 7 years ago

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)

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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 almost 8 years ago

Ellipseselect by Rajiv Narayan

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

cbkswitch(varargin)

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

he=ellipseselect(varargin)

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updated 8 years ago

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)

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updated 8 years ago

rotating ellipse by Lior Axelrod

plot rotating ellipse (ellipse, plot, rotating)

Draw.m

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updated almost 9 years ago

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)

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updated almost 9 years ago

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

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

vdist(lat1,lon1,lat2,lon2)

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updated 9 years ago

Ellipsoidal Gravity Vector by Michael Kleder

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

xyz2grav(x,y,z)

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updated 9 years ago

CalcE.m by Richard Rieber

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

CalcEA(M,e,tol)

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updated 10 years ago

error_ellipse by AJ Johnson

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

h=error_ellipse(varargin)

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updated almost 11 years ago

fit_ellipse by Ohad Gal

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

fit_ellipse( x,y,axis_handle )

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updated 11 years ago

EllipseDraw1.0 by Lei Wang

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

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

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updated almost 13 years ago

calculate_eccentricity.m by Tony Reina

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

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updated 13 years ago

rope.m by R P Maguire

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

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

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