python-machine-learning-book-2nd-edition
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Chapter 12 typo
(p380) In last sentence of 1st paragraph and first sentence of 2nd paragraph, "Pitt" should be "Pitts".
(p384) In a picture, "3nd Layer" should be "3rd Layer".
(p385) In 1st paragraph, "the o superscript" should be "the out superscript".
(p406) In 1st code block, "print('Training accuracy: ..)" should be "print('Test accuracy: ..)"
(p410) In 1st paragraph, "with one hidden unit," should be "with one hidden layer,".
(p415) In 2nd paragraph, "results in an n x t-dimensional matrix that we multiplied element wise ... to obtain the n x t-dimensional matrix \delta^{(h)}" should be "results in an n x h-dimensional matrix that we multiplied element wise ... to obtain the n x h-dimensional matrix \delta^{(h)}".
(p415) In last equations, "\Delta^{(h)} = \Delta^{(h)} + (A^{(in)})^T\delta^{(h)}" should be "\Delta^{(h)} = (A^{(in)})^T\delta^{(h)}" and "\Delta^{(out)} = \Delta^{(out)} + (A^{(h)})^T\delta^{(out)}" should be "\Delta^{(out)} = (A^{(h)})^T\delta^{(out)}".
(p416) In 1st eq., "\lambda^{(l)}" should be "\lambda^{(l)}W^{(l)}".
(p387) in the first equation, "w_{1.1}^{(h)}" should be "w_{1,1}^{(h)}".
Check figure on page 386. Bottom element in hidden layer should have arcs to output layer.
Thanks a lot @rickiepark and @jkstarling. Just fixed all of these for the 3rd edition!
Thank! Ps- really enjoy the book. Look forward to the updated edition!
Jim Starling
Sent from my iPhone
On Sep 24, 2019, at 20:25, Sebastian Raschka [email protected] wrote:
Thanks a lot @rickieparkhttps://github.com/rickiepark and @jkstarlinghttps://github.com/jkstarling. Just fixed all of these for the 3rd edition!
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