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fchollet's profile
François Chollet
François Chollet
François Chollet
Verified account
@fchollet

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François CholletVerified account

@fchollet

Deep learning @google. Creator of Keras. Author of 'Deep Learning with Python'. Opinions are my own.

United States
fchollet.com
Joined August 2009

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    1. François Chollet‏Verified account @fchollet Jun 29

      Usual reminder: when I've been saying for the past 5+ years that deep learning is interpolative, I don't mean it does linear interpolation in the original encoding space (which would be useless). It does interpolation on a low-dimensional manifold embedded in the encoding space.

      14 replies 30 retweets 334 likes
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    2. pedantic uncertaintist duck‏ @mathtick Jun 29
      Replying to @fchollet

      It's funny but most applied mathematicians would not call interpolation generalization.

      1 reply 0 retweets 1 like
      François Chollet‏Verified account @fchollet Jun 29
      Replying to @mathtick

      The term "generalization" means something completely different in math compared to ML.

      11:32 AM - 29 Jun 2021
      • 1 Retweet
      • 5 Likes
      • Dmytro Mishkin Sami Mourad Jon Simon Milad Aghajohari Christian Cahig Read Kraus
      1 reply 1 retweet 5 likes
        1. New conversation
        2. pedantic uncertaintist duck‏ @mathtick Jun 29
          Replying to @fchollet

          Not really. There are different settings of course. One cool setting is these neuro-differential solvers (three body problem) etc. I think they only solve problems with local condition number <= that in the train data set.

          1 reply 0 retweets 1 like
        3. pedantic uncertaintist duck‏ @mathtick Jun 29
          Replying to @mathtick @fchollet

          For example, if those navier-stokes or 3body interpolators can guarantee error bounds in regions where the local condition numbers are greater than they ever saw that would be huge. I would definitely call that generalization.

          1 reply 0 retweets 1 like
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