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move Cstar_repr

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kalmar 2017-06-06 16:19:46 +02:00
parent 8c930a6f7f
commit 45696aac34
1 changed files with 8 additions and 8 deletions
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16
OrbitDecomposition.jl
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@ -162,14 +162,6 @@ function central_projection(RG::GroupRing, char::Function, T::Type=Rational{Int}
return convert(T, char(RG.group())//Int(order(RG.group))*result) return convert(T, char(RG.group())//Int(order(RG.group))*result)
end end
function Cstar_repr(x::GroupRingElem, matrix_reps)
res = zeros(matrix_reps[1])
for i in 1:length(parent(x).basis)
res += x.coeffs[i]*matrix_reps[i]
end
return res
end
function rankOne_projections(G::PermutationGroup, T::Type=Rational{Int}) function rankOne_projections(G::PermutationGroup, T::Type=Rational{Int})
RG = GroupRing(G) RG = GroupRing(G)
projections = [central_projection(RG, χ, T) for χ in chars(G)] projections = [central_projection(RG, χ, T) for χ in chars(G)]
@ -229,6 +221,14 @@ function rankOne_projections(BN::WreathProducts.WreathProduct, T::Type=Rational{
return all_projs return all_projs
end end
function Cstar_repr(x::GroupRingElem, matrix_reps)
res = zeros(matrix_reps[1])
for i in 1:length(parent(x).basis)
res += x.coeffs[i]*matrix_reps[i]
end
return res
end
function orthSVD(M::AbstractMatrix) function orthSVD(M::AbstractMatrix)
M = full(M) M = full(M)
# matrixRank = rank(M) # matrixRank = rank(M)