SymArrays.jl

SymArrays.binomial_simpleMethod

based on Base.binomial, but without negative values for n and without overflow checks (index calculations here should not overflow if the array does not have more elements than an Int64 can represent)

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SymArrays.symind2indMethod

calculates the contribution of index idim in (i1,...,idim,...,iN) to the corresponding linear index for the group

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