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January 4th, 2017, 04:03 PM   #11
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Originally Posted by photogo01 View Post
Each one of these examples is a scalar; if you put them together as (78, 7, 2) it may form a matrix but not a vector.
the set of the 3 of them together (why does everyone ignore parens?) constitutes a vector that is not a tensor.
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January 5th, 2017, 05:23 AM   #12
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your mother's age is just a component of that vector.

The direction of that vector is the usual it's just that the coordinate system is a bit odd, which was sort of the point.
Ahh , I didn't realise the parentheses were meant to enclose a 3 dimensional object.

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