Title: hard to follow the author
Review: I did my undergrad in UC Berkeley and work at Google. I teach myself lots of stuffs by reading books.This book is hard to follow. The author doesn't state the context clearly and his assumptions. As as result, you spend most of your time figuring out them rather than the materials. For this reason I give it two stars.I think this book assumes you have a strong math background. It presents you the formulas but doesn't try to explain why the formulas are so.
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