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_...

Circle fitting using modified Coopes method by Daniel

Robust method for fitting a circle to data using Weighted Linear Least Squares. (curvature, circle, fit)

circfit( data, weights )

circfit_DEMO.m

Smith Simulator by Gaurav Gupta

It allows to do on computer all you were doing with pencil and paper with some beautiful features. (smith, locus, undo)

ErrWarnings(errcode)

GetFinalSolution()

LocatePoint(ind,val)

Circle pixel coordinates using mid-point algorithm by Jean-Yves Tinevez

Return the optimal pixel coordinates of a circle, given its center and radius. (drawing, center, image processing)

getmidpointcircle(x0, y0, radius)

"Chuck Close-ify" an image by Jeremy Manning

Create Chuck Close-style images from photographs and existing images. (chuck close, rectangle, circle)

chuck_closify(im,rows,cols,outfile)

Parametrized uniform triangulation of 3D circle/sphere by Arso

Short function for parametric triangulation of 3d sphere (circle, sphere, triangulation)

sphereTriangulation(numIterations, radius)

testSphereTriangulation.m

hypersphere / n-sphere by Michael Völker

Generate n-dimensional Ellipsoid or Sphere (hypersphere, nsphere, spheren)

hypersphere( varargin )

circles - rectangle intersection area by Doron avramov

A fast function which calculate the intersection area of a circle in a large rectangle. (analytic, area, circle)

[o]=compute_circle_area2(xcenter,ycenter,r)

3 shot dynamic balancing by Muhammad Tauha Ali

it gives exact position and amount of mass to be added or removed for dynamic balancing (dynamic balancing, displacement, utilities)

3 shot dynamic balancing

shot3(varargin)

Circle Plane in 3D by Cheng-Yuan Wu

Plot and fill a circle by given center, radius, and surface normal (circle, circle plane, plane)

circlePlane3D( center, normal, radious, theintv, normalon, ...

Problem of Apollonius by Abhilash Harpale

The code solves the Apollonius problem using a simple algebric formula. (mathematics, tangent, circle)

[r,x,y]=apollonius(cir1,cir2,cir3)

Circle Detection Using Hough Transforms by Kobi Nistel

Finds circles of any radii in a image. (hough transform, circle detection, circle)

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

cfresize(im, longDimSize)

circlefinder(im, radMin, radMax, thresh, imresize, imDisp)

Draw multiple circles as a single line object by Brett Shoelson

FAST, EFFICIENT drawing of multiple circles! (circle, line, circles)

circles(radii,centers,varargin)

Circular Statistics Toolbox (Directional Statistics) by Philipp Berens

Compute descriptive and inferential statistics for circular or directional data. (directional statistic..., ang, circle)

circ_ang2rad(alpha)

circ_axial(alpha, p)

circ_axialmean(alphas, m, dim)

circle_fit by Val Schmidt

A function to fit a circle to a set of 2D points (circle, fit, mathematics)

circle_fit(x,y)

Circ by Christopher Wilcox

Matlab function to return a generalized circular/elliptical mask (circle, mask, array)

circ(r, dim, centerCoord)

circlefit3d - fit circle to three points in 3d space by Johannes Korsawe

Calculate center, radius and plane of circle that passes through three given points (circle, 3d, fit)

circlefit3d(p1,p2,p3)

A suite of minimal bounding objects by John D'Errico

Suite of tools to compute minimal bounding circles, rectangles, triangles, spheres, incircles, etc. (bounding, perimeter, miminum)

incircle(x,y)

insphere(xyz,tri)

minboundcircle(x,y,hullflag)

How to think vector, tutorial by Maxim Vedenyov

no for loops logical indexing bsxfun (tutorial, think vector, think vectorized)

circle_for_loop.m

circle_vectorized_code.m

inside_circle_vectorized.m

Growbubbles - maximum radius packing by Sven

Growbubbles takes centroid points and returns the maximum radius circles or spheres without overlap (packing, pack, circle)

growbubbles(ptsIn)

Draw a circle. by Zhihua He

Easy circle drawing. (circle, drawing, graphics)

H=circle(center,radius,NOP,style)

Iris segmentation using Daugman's integrodifferential operator by Anirudh Sivaraman

This program takes as input the image of the iris f human eye and localises the iris and pupil by fi (application, daugman, circle)

[L]=lineint(I,C,r,n,part)

[O]=drawcircle(I,C,r,n)

[b,r,blur]=partiald(I,C,rmin,rmax,sigma,n,part);

Check Whether a Point Lies Inside,Outside or On a Circle by Divakar Roy

Checks whether a point lies inside,outside or on a circle defined by 3 other points. (circle, inside, approximation)

result=iscircle(X,Y,x,y)

Circle Bounded Voronoi Diagram by Meng Sang Ong

Compute individual Voronoi cell area of 2D point sets bounded in a unit circle (voronoi, bounded, area)

BoundVoronoin_UnitCircle(V, C, varargin)

BoundaryIntersect_UnitCircle(P1, P2, Mode)

CalcArea_UnitCircle(VSet, V1, V2, ptS)

2D Mohr's Circle by Mark Tschopp

This input script draws a 2D Mohr's circle given normal and shear stresses. (mechanics of material..., circle, radius)

H=circle(center,radius,NOP,style)

exportfig(varargin)

draw_Mohr's_circle.m

minimize ratio perimeter/sqrt(area) of a random shape by Maxim Vedenyov

Random search used. Result is circle of cause. (polygone perimeter, random search, fixed area)

P=perimeter(r,N)

minimal_perimeter.m

minimal_perimeter_avi.m

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

Draw a cylinder. by sjye

Easy cylinder drawing. (3d, cylinder, patch)

enclosed_cylinder.m

Hough Transform for circle detection by Peter Bone

An optimized Hough transform for circle detection. (circle, centre coordinates, image analysis)

houghcircle(Imbinary,r,thresh,region)

Hough transform for circles by David Young

A Hough transform function for detecting circles, optimised to allow search over radii. (hough transform, circle, image analysis)

Circular Hough Transform Demonstration

circle_hough(b, rrange, varargin)

circle_houghpeaks(h, radii, varargin)

Bright circle with dark background by Nabin

I wanted to generate a circle with dark background. The function circle_bg.m does it. (circle, background, image processing)

circle_bg(r,xc,yc,N)

Ellipse by Andrew Schwartz

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

ellipse(varargin)

Circle Detection by Vineet

To detect circle in a gray scale image. (circle, hough transform, image processing)

FindCircle.m

Hughcir.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

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)

Circle on image by sapthagirivasan v

To Draw a circle on the given image. (circle on image, circle, draw circle)

circle_saptha(k)

Bouncing Smiley Face by Husam Aldahiyat

Exaggerated and somewhat cartoonish simulation of the physics of a bouncing smiley face. (bouncing, ball, random)

bb2()

Bouncing Ball Physics by Husam Aldahiyat

Fun Graphical User Interface that simulates the simplified physics of a ball bouncing off the ground (ball, gui, physics)

bb()

Animate a Simple Mechanism by Husam Aldahiyat

How to plot and animate a simple slider crank mechanism. (animation, circle, comments)

sliderc(r,L1,rec,sp)

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)

Plot the angle arc for some angle. by Husam Aldahiyat

Similar to plotting a circle, only plots an arc based on its centre, radius and angle span. (angle, arc, circle)

ang(centre,radius,span,style)

calcCircle by Peter Bone

Find the circle that passes through 3 non-collinear points. (fit, circle, three)

calcCircle(pt1, pt2, pt3)

POINTS2CIRCLE by Jos (10584)

determine the circle through 3 points (v2.0) (linear algebra, fit, circle)

points2circle(P,P2,P3)

Resize a circle using slider by gui by Ali Talib Oudah

You can resize the circle using the slider which designed by simple gui. (annotation, customization, gui)

dynamicplot(varargin)

Circular region detection by a small moving circle by Ali Talib Oudah

Circular region detection by a small moving circle (animation, circle, gui)

circlegui(varargin)

test.m

imcircle by John T. McCarthy

The file develops an "n by n" matrix containing a solid circle of ones of diameter "n" pixels. (image generation, image processing, imcircle)

imcircle(n)

Radial Scan by Narupon Chattrapiban

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

rscan(M0,varargin),

Plot a Circle on a Figure by Karim Mansour

Plot a Circle on both normal graphs and images (circle, circle on image, plot circle)

PlotCircle(Column,Row,Radius,N,Color)

draw_circle by Ilya Rozenfeld

Plots an interactively modifiable circle patch. (circle, draw, graphics)

modify_circle(src, eventdata)

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)