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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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#############################################################################
##
##  Sparse.gd                  Gauss package                  Simon Goertzen
##
##  Copyright 2007-2008 Lehrstuhl B für Mathematik, RWTH Aachen
##
##  Declaration stuff for performing algorithms on sparse matrices.
##
#############################################################################

##
DeclareAttribute( "EchelonMat",
        IsSparseMatrix );

DeclareAttribute( "EchelonMatTransformation",
        IsSparseMatrix );

DeclareOperation( "ReduceMat",
        [ IsSparseMatrix, IsSparseMatrix ] );

DeclareOperation( "ReduceMatTransformation",
        [ IsSparseMatrix, IsSparseMatrix ] );

DeclareGlobalFunction( "KernelMatSparse" );

DeclareGlobalFunction( "RankOfIndicesListList" );