KASH3 Ref - RepresentationMatrix

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| ### Function RepresentationMatrix ( elt-ord^fun a ) -> elt-alg^mat ### Description Representation matrix of a over the coefficient ring of its parent or R if given. ### Examples x_gf3:=FiniteField(3); x_gf3x:=PolynomialAlgebra(x_gf3); x_gf3xy:=PolynomialAlgebra(x_gf3x); x_f:=x_gf3xy.1^2+1; x_F:=FunctionField(x_f); x_O:=MaximalOrderFinite(x_F); x_a := x_O.2+1; RepresentationMatrix(x_a);
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