Most definitions of a matrix that I have seen involve entries that are elements of a field. What if I have a unorderd set with no operations defined on it, say a set of different colored marbles or a set of historical events. Can I have a matrix whose entries are elements of such a set?(adsbygoogle = window.adsbygoogle || []).push({});

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# Can the entries of a Matrix be elements of an unordered set?

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