Thursday, March 22, 2007

Space Toy

I still need to finish up the series of posts on (X'X)-1X'Y...

I've reached a place where I'm still trying to find of the right example for a point I want to make. In the process of thinking about this, it occurred to me that an Etch A Sketch may be good tool for teaching kids about vector spaces.

All easily demonstrated: vectors, space, orthogonality, magnitude, direction, span, linear combination, linear independence and probably many other concepts too.


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