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Learning a set of directions

Published on Aug 09, 20133353 Views

Assume our data consists of unit vectors (directions) and we are to find a small orthogonal set of the “the most important directions” summarizing the data. We develop online algorithms for this type

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Chapter list

Learning a set of directions00:00
Problem00:10
Solution00:23
This is how we do it00:45
And then global warming sets in . . .01:12
Online learning to the rescue01:21
Directional gain - 102:26
Directional gain - 202:48
Collapse - 103:29
Collapse - 204:22
Gradient descent - 104:54
Gradient descent - 205:29
Thank you05:38