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BUILT-IN MATHEMATICA SYMBOL
SymmetrizedArrayRules
SymmetrizedArrayRules[sa]
returns a list of rules 
of the symmetrized array sa.
SymmetrizedArrayRules[a, sym]
returns a list of rules 
of the array a after being symmetrized with symmetry sym.
Details
- The rules returned by SymmetrizedArrayRules are meant to be applied only to the independent components, as returned by SymmetrizedIndependentComponents.
- SymmetrizedArrayRules[sa] returns a list describing the nonzero independent components. The last element of the list is always
. - SymmetrizedArrayRules[a] for a normal or sparse array a is automatically converted into SymmetrizedArrayRules[a, {}].
New in 9
