<#GAPDoc Label="Demo_example" >
<Example><![CDATA [
gap> C := NmzCone(["integral_closure" ,[[2 ,1 ],[1 ,3 ]]]);
<a Normaliz cone>
gap> NmzHasConeProperty(C,"HilbertBasis" );
false
gap> NmzHasConeProperty(C,"SupportHyperplanes" );
false
gap> NmzConeProperty(C,"HilbertBasis" );
[ [ 1 , 1 ], [ 1 , 2 ], [ 1 , 3 ], [ 2 , 1 ] ]
gap> NmzHasConeProperty(C,"SupportHyperplanes" );
true
gap> NmzConeProperty(C,"SupportHyperplanes" );
[ [ -1 , 2 ], [ 3 , -1 ] ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="Demo_example_equation" >
<Example><![CDATA [
gap> D := NmzCone(["equations" ,[[1 ,2 ,-3 ]], "grading" ,[[0 ,-1 ,3 ]]]);
<a Normaliz cone>
gap> NmzCompute(D,["DualMode" ,"HilbertSeries" ]);
true
gap> NmzHilbertBasis(D);
[ [ 1 , 1 , 1 ], [ 0 , 3 , 2 ], [ 3 , 0 , 1 ] ]
gap> NmzHilbertSeries(D);
[ t^2 -t+1 , [ [ 1 , 1 ], [ 3 , 1 ] ] ]
gap> NmzHasConeProperty(D,"SupportHyperplanes" );
true
gap> NmzSupportHyperplanes(D);
[ [ 0 , 1 , 0 ], [ 1 , 0 , 0 ] ]
gap> NmzEquations(D);
[ [ 1 , 2 , -3 ] ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="Demo_example_inhom_equation" >
<Example><![CDATA [
gap> P := NmzCone(["inhom_equations" ,[[1 ,2 ,-3 ,1 ]], "grading" , [[1 ,1 ,1 ]]]);
<a Normaliz cone>
gap> NmzIsInhomogeneous(C);
false
gap> NmzIsInhomogeneous(P);
true
gap> NmzHilbertBasis(P);
[ [ 1 , 1 , 1 , 0 ], [ 3 , 0 , 1 , 0 ], [ 0 , 3 , 2 , 0 ] ]
gap> NmzModuleGenerators(P);
[ [ 0 , 1 , 1 , 1 ], [ 2 , 0 , 1 , 1 ] ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="Demo_example_3x3magiceven" >
<Example><![CDATA [
gap> Magic3x3even := NmzCone(["equations" ,
> [ [1 , 1 , 1 , -1 , -1 , -1 , 0 , 0 , 0 ],
> [1 , 1 , 1 , 0 , 0 , 0 , -1 , -1 , -1 ],
> [0 , 1 , 1 , -1 , 0 , 0 , -1 , 0 , 0 ],
> [1 , 0 , 1 , 0 , -1 , 0 , 0 , -1 , 0 ],
> [1 , 1 , 0 , 0 , 0 , -1 , 0 , 0 , -1 ],
> [0 , 1 , 1 , 0 , -1 , 0 , 0 , 0 , -1 ],
> [1 , 1 , 0 , 0 , -1 , 0 , -1 , 0 , 0 ] ],
> "congruences" ,
> [ [1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 2 ],
> [0 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 2 ],
> [0 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 2 ],
> [0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 2 ] ],
> "grading" ,
> [ [1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 ] ] ] );
<a Normaliz cone>
gap> NmzHilbertBasis(Magic3x3even);
[ [ 0 , 4 , 2 , 4 , 2 , 0 , 2 , 0 , 4 ], [ 2 , 0 , 4 , 4 , 2 , 0 , 0 , 4 , 2 ],
[ 2 , 2 , 2 , 2 , 2 , 2 , 2 , 2 , 2 ], [ 2 , 4 , 0 , 0 , 2 , 4 , 4 , 0 , 2 ],
[ 4 , 0 , 2 , 0 , 2 , 4 , 2 , 4 , 0 ], [ 2 , 3 , 4 , 5 , 3 , 1 , 2 , 3 , 4 ],
[ 2 , 5 , 2 , 3 , 3 , 3 , 4 , 1 , 4 ], [ 4 , 1 , 4 , 3 , 3 , 3 , 2 , 5 , 2 ],
[ 4 , 3 , 2 , 1 , 3 , 5 , 4 , 3 , 2 ] ]
gap> NmzHilbertSeries(Magic3x3even);
[ t^3 +3 *t^2 -t+1 , [ [ 1 , 1 ], [ 2 , 2 ] ] ]
gap> NmzHilbertQuasiPolynomial(Magic3x3even);
[ 1 /2 *t^2 +t+1 , 1 /2 *t^2 -1 /2 ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="example_dual" >
<Example><![CDATA [
gap> M := [
> [ 8 , 8 , 8 , 7 ],
> [ 0 , 4 , 0 , 1 ],
> [ 0 , 1 , 0 , 7 ],
> [ 0 , -2 , 0 , 7 ],
> [ 0 , -2 , 0 , 1 ],
> [ 8 , 48 , 8 , 17 ],
> [ 1 , 6 , 1 , 34 ],
> [ 2 ,-12 , -2 , 37 ],
> [ 4 ,-24 , -4 , 14 ]
> ];;
gap> D := NmzCone(["inhom_inequalities" , M,
> "signs" , [[1 ,1 ,1 ]],
> "grading" , [[1 ,1 ,1 ]]]);
<a Normaliz cone>
gap> NmzCompute(D,["DualMode" ,"HilbertBasis" ,"ModuleGenerators" ]);
true
gap> NmzHilbertBasis(D);
[ [ 1 , 0 , 0 , 0 ], [ 1 , 0 , 1 , 0 ] ]
gap> NmzModuleGenerators(D);
[ [ 0 , 0 , 0 , 1 ], [ 0 , 0 , 1 , 1 ], [ 0 , 0 , 2 , 1 ], [ 0 , 0 , 3 , 1 ] ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="NmzHasConeProperty_example" >
<Example><![CDATA [
gap> NmzHasConeProperty(cone, "ExtremeRays" );
false
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="NmzKnownConeProperties_example" >
<Example><![CDATA [
gap> NmzKnownConeProperties(cone);
[ "EmbeddingDim" , "Generators" , "InternalIndex" , "IsInhomogeneous" ,
"OriginalMonoidGenerators" , "Sublattice" ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="NmzCompute_example" >
<Example><![CDATA [
gap> NmzKnownConeProperties(cone);
[ "EmbeddingDim" , "Generators" , "InternalIndex" , "IsInhomogeneous" ,
"OriginalMonoidGenerators" , "Sublattice" ]
gap> NmzCompute(cone, ["SupportHyperplanes" , "IsPointed" ]);
true
gap> NmzKnownConeProperties(cone);
[ "EmbeddingDim" , "ExtremeRays" , "Generators" , "InternalIndex" ,
"IsDeg1ExtremeRays" , "IsInhomogeneous" , "IsPointed" , "MaximalSubspace" ,
"OriginalMonoidGenerators" , "Rank" , "Sublattice" , "SupportHyperplanes" ]
gap> NmzCompute(cone);;
gap> NmzKnownConeProperties(cone);
[ "ClassGroup" , "EmbeddingDim" , "ExtremeRays" , "Generators" , "HilbertBasis" ,
"InternalIndex" , "IsDeg1ExtremeRays" , "IsInhomogeneous" ,
"IsIntegrallyClosed" , "IsPointed" , "IsTriangulationNested" ,
"IsTriangulationPartial" , "MaximalSubspace" , "OriginalMonoidGenerators" ,
"Rank" , "Sublattice" , "SupportHyperplanes" , "TriangulationDetSum" ,
"TriangulationSize" , "UnitGroupIndex" ]
]]></Example>
<#/GAPDoc>
<#GAPDoc Label="NmzCone_example" >
<Example><![CDATA [
gap> cone := NmzCone(["integral_closure" ,[[2 ,1 ],[1 ,3 ]]]);
<a Normaliz cone>
]]></Example>
<#/GAPDoc>
Messung V0.5 in Prozent C=99 H=100 G=99