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I'm the author. Thanks for the support! And I'm glad you're enjoying the book. The HN search results suggest that this is the second time the book has made i

I'm the author. Thanks for the support! And I'm glad you're enjoying the book. The HN search results suggest that this is the second time the book has made it to the HN front page. However, you may have picked up a different impression because the second chapter -- a largely self-contained introduction to backpropagation -- also made it once onto the front page. Given that I'm rolling out chapters as I finish them, this seems to me like multiple posts from the same blog appearing on the front page. Certainly, the individual chapters are (I hope) far more substantive than most blog posts. (For the record, I had no idea this would be posted.)

jbarrow 12y ago
The parent mentioned that he bought the book, but I can't seem to find anywhere on the site to contribute. I've followed this book since it was first posted on Hacker News, and I would love to be able to give back. Is there a place to donate or "buy" the book?
- michael_nielsen 12y ago
  I ran an IndieGoGo, which is long since over. Other than the IndieGoGo I haven't given much thought to setting things up so people can contribute, that's very kind of you to offer. I'll investigate adding PayPal or some alternative when I have a little time. In the meantime, you could send me Bitcoin at: 17ukkKt1bNLAqdJ1QQv8v9Askr6vy3MzTZ It'd be much appreciated!
larrydag 12y ago
I've submitted to http://hackershelf.com/book/525/neural-networks-and-deep-learning/ http://hackershelf.com/book/525/neural-networks-and-deep-lea... Great work Michael. Sorry about my errant email to you.
misiti3780 12y ago
hey - im pretty exciting about this also - when is it slated to be finished ?
- michael_nielsen 12y ago
  Chapter 3 (of six) will be released mid-July. Apart from that, I haven't set a hard finish date. Some authors are helped by such deadlines, but my experience writing my previous two books is that (for me) such deadlines hinder more than they help.
guiambros 12y ago
I've found 8 so far [1][2][3]. Some are exact duplicates, some point to / while others to /index.html, /about.html, etc. Note: most submissions were done by real and reputable users, so I'm not implying any foul play here. Quite the opposite; I backed the original project on Indie Gogo, and am pleased with the progress so far. Would strongly recommend anyone interested in the topic to donate to Michael (BTC address below). My gripe is with HN duplicity detector, that let people submit equal or very similar links, over and over again. [1] Book: (some are exact duplicates) https://news.ycombinator.com/item?id=7920183 https://news.ycombinator.com/item?id=7920183 https://news.ycombinator.com/item?id=6796703 https://news.ycombinator.com/item?id=6796703 https://news.ycombinator.com/item?id=7555191 https://news.ycombinator.com/item?id=7555191 https://news.ycombinator.com/item?id=7143192 https://news.ycombinator.com/item?id=7143192 https://news.ycombinator.com/item?id=6801036 https://news.ycombinator.com/item?id=6801036 [2] Indie Gogo: https://news.ycombinator.com/item?id=6795285 https://news.ycombinator.com/item?id=6795285 https://news.ycombinator.com/item?id=6794584 https://news.ycombinator.com/item?id=6794584 [3] Original Blog post: https://news.ycombinator.com/item?id=6796917 https://news.ycombinator.com/item?id=6796917
- resu_nimda 12y ago
  I believe the dupe detector is left purposely "leaky." I don't understand what's so wrong with dupes, especially the amount of effort you've put into this one. I don't see every headline on HN, neither do you, nor does anyone (I hope). What is your methodology for trawling through the archives to find interesting things you might have missed? Some people like having a chance for them to pop up again, which usually indicates that they're high quality. And inevitably someone will show up in the comments and link all the old discussions and then people can review those and also start a new discussion! And if you've already seen it, you can skip it! What's the issue? Obviously, a massive flood of dupes is not desirable, so there is balance to be found, but I think they hit it pretty well. They also have to factor in the wide range of reading habits.
  - dang 12y ago
    The policy, which has been stable for a long time and which we intend to put in the FAQ, is that reposts are ok if an item hasn't had significant attention in the last year. In this case, both available chapters of the book have had significant attention [1,2], so I think a post of its home page has to count as a dupe. If and when Chapter 3 appears, however, that will make a nice non-dupey post. (Good luck with the book, Michael!) 1. https://news.ycombinator.com/item?id=6794308 https://news.ycombinator.com/item?id=6794308 2. https://news.ycombinator.com/item?id=7588158 https://news.ycombinator.com/item?id=7588158

jbarrow 12y ago

The parent mentioned that he bought the book, but I can't seem to find anywhere on the site to contribute. I've followed this book since it was first posted on Hacker News, and I would love to be able to give back. Is there a place to donate or "buy" the book?

michael_nielsen 12y ago
I ran an IndieGoGo, which is long since over. Other than the IndieGoGo I haven't given much thought to setting things up so people can contribute, that's very kind of you to offer. I'll investigate adding PayPal or some alternative when I have a little time. In the meantime, you could send me Bitcoin at: 17ukkKt1bNLAqdJ1QQv8v9Askr6vy3MzTZ It'd be much appreciated!

larrydag 12y ago

I've submitted to http://hackershelf.com/book/525/neural-networks-and-deep-learning/ http://hackershelf.com/book/525/neural-networks-and-deep-lea... Great work Michael. Sorry about my errant email to you.

misiti3780 12y ago

hey - im pretty exciting about this also - when is it slated to be finished ?

michael_nielsen 12y ago
Chapter 3 (of six) will be released mid-July. Apart from that, I haven't set a hard finish date. Some authors are helped by such deadlines, but my experience writing my previous two books is that (for me) such deadlines hinder more than they help.

guiambros 12y ago

I've found 8 so far [1][2][3]. Some are exact duplicates, some point to / while others to /index.html, /about.html, etc. Note: most submissions were done by real and reputable users, so I'm not implying any foul play here. Quite the opposite; I backed the original project on Indie Gogo, and am pleased with the progress so far. Would strongly recommend anyone interested in the topic to donate to Michael (BTC address below). My gripe is with HN duplicity detector, that let people submit equal or very similar links, over and over again. [1] Book: (some are exact duplicates) https://news.ycombinator.com/item?id=7920183 https://news.ycombinator.com/item?id=7920183 https://news.ycombinator.com/item?id=6796703 https://news.ycombinator.com/item?id=6796703 https://news.ycombinator.com/item?id=7555191 https://news.ycombinator.com/item?id=7555191 https://news.ycombinator.com/item?id=7143192 https://news.ycombinator.com/item?id=7143192 https://news.ycombinator.com/item?id=6801036 https://news.ycombinator.com/item?id=6801036 [2] Indie Gogo: https://news.ycombinator.com/item?id=6795285 https://news.ycombinator.com/item?id=6795285 https://news.ycombinator.com/item?id=6794584 https://news.ycombinator.com/item?id=6794584 [3] Original Blog post: https://news.ycombinator.com/item?id=6796917 https://news.ycombinator.com/item?id=6796917

resu_nimda 12y ago
I believe the dupe detector is left purposely "leaky." I don't understand what's so wrong with dupes, especially the amount of effort you've put into this one. I don't see every headline on HN, neither do you, nor does anyone (I hope). What is your methodology for trawling through the archives to find interesting things you might have missed? Some people like having a chance for them to pop up again, which usually indicates that they're high quality. And inevitably someone will show up in the comments and link all the old discussions and then people can review those and also start a new discussion! And if you've already seen it, you can skip it! What's the issue? Obviously, a massive flood of dupes is not desirable, so there is balance to be found, but I think they hit it pretty well. They also have to factor in the wide range of reading habits.
- dang 12y ago
  The policy, which has been stable for a long time and which we intend to put in the FAQ, is that reposts are ok if an item hasn't had significant attention in the last year. In this case, both available chapters of the book have had significant attention [1,2], so I think a post of its home page has to count as a dupe. If and when Chapter 3 appears, however, that will make a nice non-dupey post. (Good luck with the book, Michael!) 1. https://news.ycombinator.com/item?id=6794308 https://news.ycombinator.com/item?id=6794308 2. https://news.ycombinator.com/item?id=7588158 https://news.ycombinator.com/item?id=7588158