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A comment on The tensor renaissance in data science. Parent comment

Re:The tensor renaissance in data science by defen on Thursday May 07, 2015 @03:35PM (#9507688)
Is it fruitful to think of upper/lower indices as a type system for linear transformations?
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Re:The tensor renaissance in data science by tel on Thursday May 07, 2015 @04:04PM (#9507883)
I definitely think so. I think it's done informally regardless, but I've never thought about formalizing it.
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