Re: Extending my question. Was: The relational model and relational algebra - why did SQL become the industry standard?

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>>Right. But there's no problem here, just as there's no problem
>>with the fact that matrix multiplication is not commutative, even
>>though matrices can be considered a generalization of a set where
>>the multiplication is commutative.
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>I don't see how matrices can be viewed as generalization of sets. Matrices
>are Linear Transformations, not sets.
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My typo - I meant to say that matrices can be viewed as generalizations of numbers, not of sets.

SK

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Received on Fri Feb 14 2003 - 20:10:10 CST