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Chapter 12 typo

Open rickiepark opened this issue 5 years ago • 4 comments

(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)}".

rickiepark avatar Dec 31 '18 06:12 rickiepark

(p387) in the first equation, "w_{1.1}^{(h)}" should be "w_{1,1}^{(h)}".

rickiepark avatar May 02 '19 06:05 rickiepark

Check figure on page 386. Bottom element in hidden layer should have arcs to output layer.

jkstarling avatar Aug 24 '19 15:08 jkstarling

Thanks a lot @rickiepark and @jkstarling. Just fixed all of these for the 3rd edition!

rasbt avatar Sep 25 '19 03:09 rasbt

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!

— You are receiving this because you were mentioned. Reply to this email directly, view it on GitHubhttps://github.com/rasbt/python-machine-learning-book-2nd-edition/issues/94?email_source=notifications&email_token=AK54YMDLK7VVKXXTHQ5BLBLQLLK25A5CNFSM4GMU62TKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD7QO27Y#issuecomment-534834559, or mute the threadhttps://github.com/notifications/unsubscribe-auth/AK54YMGYRLXLYSDIVWC6OULQLLK25ANCNFSM4GMU62TA.

jkstarling avatar Sep 25 '19 03:09 jkstarling