August 2018
Intermediate to advanced
438 pages
12h 3m
English
Content preview from Hands-On Transfer Learning with Python
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Chain rule of derivatives
Let f and g both be real-valued functions of a single variable. Suppose that y = g(x) and z = f(g(x)) = f(y).
Then, the chain rule of derivatives states that:
Similarly for the function of several variables, let 
, 
,
, then,
Therefore, the gradient of z with respect to , is represented as a multiplication of the Jacobian ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.