Quadrics

Are two ellipsoids in contact? algebraic separation condition for ellipsoids in matlab

The following Matlab project contains the source code and Matlab examples used for are two ellipsoids in contact? algebraic separation condition for ellipsoids. A proximity query that is expressed as an algebraic condition for realtime continuous contact detection for ellipsoids moving under rigid body transformations.

The shortest distance from a point to ellipsoid in matlab

The following Matlab project contains the source code and Matlab examples used for the shortest distance from a point to ellipsoid . Compute The shortest distance from a point to Triaxial Ellipsoid or Biaxial Ellipsoid or Sphere x/a)^2+(y/b)^2+(z/c)^2=1 Triaxial Ellipsoid Equation centered at the    origin       Parameters:  * X, [x y z] - A point Cartesian coordinates data, n x 3 matrix or three n x 1 vectors  * axis,[a; b; c] - ellipsoid radii [a; b; c],its axes % along [x y z] axes    For Triaxial ellipsoid ,it must be a > b > c

Converter cartesian coordinates to geodetic coordinates in matlab

The following Matlab project contains the source code and Matlab examples used for converter cartesian coordinates to geodetic coordinates . Converter Cartesian coordinates to Geodetic coordinates on Triaxial Ellipsoid or Biaxial Ellipsoid or Sphere (x/a)^2+(y/b)^2+(z/c)^2=1 Triaxial Ellipsoid Equation Cartesian To Geodetic x y z ==> B L h  Parameters:  * X, [x y z] - Cartesian coordinatesdata, n x 3 matrix or three n x 1 vectors  * axis,[a; b; c] - ellipsoid radii [a; b; c],its axes % along [x y z] axes    For Triaxial ellipsoid ,it must be a > b > c
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