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Dear GAP-Forum, dear A. Hulpke,
the patch you send me seems to contain an error because I obtain the
message
Variable: 'IsAlgebraicElementCollCollColl' must have a value
Error, no method found! For debugging hints type ?Recovery from
NoMethodFound
Error, no 2nd choice method found for
`GeneratorsOfLeftOperatorRingWithOne' on 1 arguments called from
GeneratorsOfLeftOperatorRingWithOne( A ) called from
GeneratorsOfLeftOperatorRing( A ) called from
Basis( V ) called from
Enumerator( D ) called from
Field( fg ) called from
Thanks, Nicola
Alexander Hulpke wrote:
###############################################################################
#M DefaultFieldOfMatrixGroup( <elms> )
##
InstallMethod(DefaultFieldOfMatrixGroup,"alg elms",
[IsGroup and IsAlgebraicElementCollCollColl and HasGeneratorsOfGroup],0,
function(g)
local l,f,i,j,k,gens;
l:=GeneratorsOfGroup(g);
if Length(l)=0 then
l:=[One(g)];
fi;
gens:=l[1][1];
f:=DefaultFieldByGenerators(gens); # ist row
# are all elts in this?
for i in l do
for j in i do
for k in j do
if not k in f then
gens:=Concatenation(gens,[k]);
f:=DefaultFieldByGenerators(gens);
fi;
od;
od;
od;
return f;
end);
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<div class="moz-text-flowed" style="font-size: 16px;" lang="x-western">Dear
GAP-Forum, dear A. Hulpke,
<br>
<br>
the patch you send me seems to contain an error because I obtain the
message
<br>
<br>
Variable: 'IsAlgebraicElementCollCollColl' must have a value
<br>
<br>
Error, no method found! For debugging hints type ?Recovery from
NoMethodFound
<br>
Error, no 2nd choice method found for
`GeneratorsOfLeftOperatorRingWithOne' on 1 arguments called from
<br>
GeneratorsOfLeftOperatorRingWithOne( A ) called from
<br>
GeneratorsOfLeftOperatorRing( A ) called from
<br>
Basis( V ) called from
<br>
Enumerator( D ) called from
<br>
Field( fg ) called from
<br>
<br>
Thanks, Nicola
<br>
<br>
<br>
<br>
Alexander Hulpke wrote:
<br>
<br>
<blockquote type="cite" style="font-size: large;">#############################################################################
<br>
##
<br>
#M DefaultFieldOfMatrixGroup( <elms> )
<br>
##
<br>
InstallMethod(DefaultFieldOfMatrixGroup,"alg elms",
<br>
[IsGroup and IsAlgebraicElementCollCollColl and
HasGeneratorsOfGroup],0,
<br>
function(g)
<br>
local l,f,i,j,k,gens;
<br>
l:=GeneratorsOfGroup(g);
<br>
if Length(l)=0 then
<br>
l:=[One(g)];
<br>
fi;
<br>
gens:=l[1][1];
<br>
f:=DefaultFieldByGenerators(gens); # ist row
<br>
# are all elts in this?
<br>
for i in l do
<br>
for j in i do
<br>
for k in j do
<br>
if not k in f then
<br>
gens:=Concatenation(gens,[k]);
<br>
f:=DefaultFieldByGenerators(gens);
<br>
fi;
<br>
od;
<br>
od;
<br>
od;
<br>
return f;
<br>
end);
<br>
<br>
<br>
<br>
<br>
<br>
</blockquote>
<br>
<br>
<br>
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