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Ellipsoidal Toolbox (ET)

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Ellipsoidal Toolbox (ET)

by Alex Kurzhanskiy

 

29 Oct 2008 (Updated 24 Dec 2010)

Implementation of the ellipsoidal calculus and ellipsoidal methods for reachability analysis.

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Description

Ellipsoidal Toolbox (ET) is a set of easy-to-use configurable MATLAB routines to perform operations with ellipsoids and hyperplanes of arbitrary dimensions. It computes the external and internal ellipsoidal approximations of geometric (Minkowski) sums and differences of ellipsoids, intersections of ellipsoids and intersections of ellipsoids with halfspaces and polytopes; distances between ellipsoids, between ellipsoids and hyperplanes, between ellipsoids and polytopes; and projections onto given subspaces.

Ellipsoidal methods are used to compute forward and backward reach sets of continuous- and discrete-time piecewise affine systems. Forward and backward reach sets can be also computed for piecewise linear systems with disturbances. It can be verified if computed reach sets intersect with given ellipsoids, hyperplanes, or polytopes.

The toolbox provides efficient plotting routines for ellipsoids, hyperplanes and reach sets

MATLAB release MATLAB 6.5 (R13)
Other requirements Requires YALMIP (http://users.isy.liu.se/johanl/yalmip/) and SeDuMi (http://sedumi.ie.lehigh.edu/)
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Comments and Ratings (4)
01 Jan 2009 Giampiero Campa

Excellent work !!

20 Apr 2011 Moiseev Igor  
28 Jul 2011 Lisa  
28 Jul 2011 Lisa

The contains function does not work with the newest version of Yalmip

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Updates
24 Dec 2010

bug fixes

Tag Activity for this File
Tag Applied By Date/Time
ellipsoids Alex Kurzhanskiy 01 Nov 2008 02:41:22
ellipsoidal calculus Alex Kurzhanskiy 01 Nov 2008 02:41:22
reach sets Alex Kurzhanskiy 01 Nov 2008 02:41:22
uncertain linear systems Alex Kurzhanskiy 01 Nov 2008 02:41:22

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