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Highlights from
LISQ - A toolbox for the lifting scheme on 2D quincunx grids

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from LISQ - A toolbox for the lifting scheme on 2D quincunx grids by Paul De Zeeuw
A toolbox for the lifting scheme on 2D quincunx grids and for the computation of moment invariants

stripU(A)
function S = stripU(A)
%------------------------------------------------------------------------------
%
% Design and implementation by:
% Dr. Paul M. de Zeeuw <Paul.de.Zeeuw@cwi.nl>  http://homepages.cwi.nl/~pauldz/
% Last Revision: June 6, 1999.
% (c) 1999-2002 Stichting CWI, Amsterdam
%------------------------------------------------------------------------------
[n, m] = size(A);
S=A(2:n,:);
%------------------------------------------------------------------------------

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