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January 18th, 2009, 12:01 PM   #1
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Can't explain missing term...

I am trying to follow a short derivation at the top of page 11 on this PDF:

http://www.stanford.edu/class/cs229/not ... notes1.pdf

On the 4th line, the y'y term was dropped and I can't explain why. Does anyone see why this term can be dropped?
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January 18th, 2009, 04:07 PM   #2
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[SOLVED] Can't explain missing term...

It's dropped because the derivative with respect to theta of y'y is 0, y does not depend on theta.
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