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ML Stanford Online Class 2011
7.05MB. 0 audio & 130 images. Updated 2012-08-25.
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| Front | If the angle between the two vectors v and u is greater than 90°, what does p (the projection of u onto v or v onto u) looks like?
 |
| Back | p will be negative:
 |
| Tags | support-vector-machine week7 |
| Front | Give the optimization algorithm (gradient descent) for Content Based recommender system:[...] |
| Back | Content Based Recommender System - Gradient Descent
 Additional informations:
 Note: this is essentially a variation linear regression. |
| Tags | content-based recommender-systems week9 |
| Front | Numerical gradient checking is simply put [...] |
| Back | Numerical gradient checking is simply put an approximation of the gradient by taking 2 points and calculating the line's coefficient, and then compare to the real derivation found by back propagation.Alternative answer: a verification if one's implementation of back propagation is bug-free |
| Tags | neural-network week5 |
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