############################################################################# ## ## This file is part of GAP, a system for computational discrete algebra. ## ## SPDX-License-Identifier: GPL-2.0-or-later ## ## Copyright of GAP belongs to its developers, whose names are too numerous ## to list here. Please refer to the COPYRIGHT file for details. ##
# represent vectors/matrices over Z/nZ by nonnegative integer lists # in the range [0..n-1], but reduce after # arithmetic. This way avoid always wrapping all entries separately
############################################################################# ## #R IsZmodnZVectorRep( <obj> ) ## ## <#GAPDoc Label="IsZmodnZVectorRep"> ## <ManSection> ## <Filt Name="IsZmodnZVectorRep" Arg='obj' Type='Representation'/> ## ## <Description> ## An object <A>obj</A> in <Ref Filt="IsZmodnZVectorRep"/> describes ## a vector object (see <Ref Filt="IsVectorObj"/>) with entries in a ## residue class ring of the ring of integers (see <Ref Func="ZmodnZ"/>). ## This ring is the base domain ## (see <Ref Attr="BaseDomain" Label="for a vector object"/>) ## of <A>obj</A>. ## <P/> ## <Ref Filt="IsZmodnZVectorRep"/> implies <Ref Filt="IsCopyable"/>, ## thus matrix objects in this representation can be mutable. ## </Description> ## </ManSection> ## <#/GAPDoc> ## ## <A>obj</A> is internally represented as a positional object ## (see <Ref Filt="IsPositionalObjectRep"/>) which stores the base domain ## (see <Ref Attr="BaseDomain" Label="for a vector object"/>) ## at position <M>1</M> and a plain list of integers at position <M>2</M>. ##
DeclareRepresentation( "IsZmodnZVectorRep",
IsVectorObj and IsPositionalObjectRep
and IsCopyable
and IsNoImmediateMethodsObject
and HasBaseDomain and HasOneOfBaseDomain and HasZeroOfBaseDomain,
[] );
############################################################################# ## #R IsZmodnZMatrixRep( <obj> ) ## ## <#GAPDoc Label="IsZmodnZMatrixRep"> ## <ManSection> ## <Filt Name="IsZmodnZMatrixRep" Arg='obj' Type='Representation'/> ## ## <Description> ## An object <A>obj</A> in <Ref Filt="IsZmodnZMatrixRep"/> describes ## a matrix object (see <Ref Filt="IsMatrixObj"/>) that behaves like the ## list of its rows (see <Ref Filt="IsRowListMatrix"/>). ## The matrix entries lie in a residue class ring of the ring of integers ## (see <Ref Func="ZmodnZ"/>). ## This ring is the base domain ## (see <Ref Attr="BaseDomain" Label="for a vector object"/>) ## of <A>obj</A>. ## <P/> ## <Ref Filt="IsZmodnZMatrixRep"/> implies <Ref Filt="IsCopyable"/>, ## thus matrix objects in this representation can be mutable. ## </Description> ## </ManSection> ## <#/GAPDoc> ## ## <A>obj</A> is internally represented as a positional object ## (see <Ref Filt="IsPositionalObjectRep"/>) with <M>4</M> entries. ## <Enum> ## <Item> ## its base domain ## (see <Ref Attr="BaseDomain" Label="for a matrix object"/>), ## </Item> ## <Item> ## an empty vector in the representation of each row, ## </Item> ## <Item> ## the number of columns ## (see <Ref Attr="NumberColumns" Label="for a matrix object"/>), and ## </Item> ## <Item> ## a plain list (see <Ref Filt="IsPlistRep"/> of its rows, ## each of them being an object in <Ref Filt="IsZmodnZVectorRep"/>. ## </Item> ## </Enum> ##
DeclareRepresentation( "IsZmodnZMatrixRep",
IsRowListMatrix and IsPositionalObjectRep
and IsCopyable
and IsNoImmediateMethodsObject
and HasNumberRows and HasNumberColumns
and HasBaseDomain and HasOneOfBaseDomain and HasZeroOfBaseDomain,
[] );
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-10-13)
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