Geodesics on an ellipsoid of revolution by Charles Karney

Solutions of the direct and inverse geodesic problems (area, distance, earth)

defaultellipsoid

ecc2flat(e)

flat2ecc(f)

Geodesic projections for an ellipsoid by Charles Karney

Four map projections based on geodesics (map projections, geodesics, azimuthal equidistant)

cassini_fwd(lat0, lon0, lat, lon, ellipsoid)

cassini_inv(lat0, lon0, x, y, ellipsoid)

eqdazim_fwd(lat0, lon0, lat, lon, ellipsoid)

Are Two Ellipsoids in Contact? Algebraic Separation Condition for Ellipsoids by Daniel Lopes

An algebraic expression for characterizing the 3-D spatial configurations formed by two ellipsoids. (collision detection, contact detection, ellipsoid)

Globalize_Vector(varargin)

asc_demo

graph_ellipsoid(coeffs,rO,AO)

image ellipsoid 3D by David Legland

Inertia ellipsoid of a 3D grayscale image (ellipsoid, image processing, inertia)

createRotationOx(varargin)

createRotationOy(varargin)

createRotationOz(varargin)

Euclidian projection on ellipsoid and conic by Bruno Luong

Projecting a point on ellipsoid or conic in n-dimensional space (geometry, ellipsoid, projection)

ConicPrj(P, A, b, c, parabolatol)

EllAlg2Geo(A, b, c)

EllGeo2Alg(radii, U, x0)

Ellipsoid fit by Yury Petrov

Fits an ellipsoid to data using linear least squares. (ellipsoid, fitting, least squares)

ellipsoid_fit( X, flag, equals )

test_ellipsoid_fit.m

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)

VRECKON: Find the endpoint of a geodesic on the ellipsoidal earth by Michael Kleder

Obtains a final location on ellipsoidal earth, given a start point, an azimuth and a distance. (vdist, direct, geodesic)

vreckon(lat1,lon1,s,a12)

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)

VDISTINV: Find the endpoint of a geodesic on the ellipsoidal earth by Michael Kleder

Obtains a final location on ellipsoidal earth, given a start point, an azimuth and a distance. (vdist, invert, inverse)

[lat2,lon2,derr,aerr]=vdistinv(lat1,lon1,dist,azim)

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)

WGS84 Ellipsoidal Earth Plotted at 4 pixels Per Degree by Michael Kleder

Draws a satellite view of earth scaled to match the WGS84 ellipsoid, with political boundaries. (satellite, wgs84, earth)

satglobe4e

Ellipsoidal Gravity Vector by Michael Kleder

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

xyz2grav(x,y,z)