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o_guest's profile
Olivia Guest | Ολίβια Γκεστ
Olivia Guest | Ολίβια Γκεστ
Olivia Guest | Ολίβια Γκεστ
@o_guest

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Olivia Guest | Ολίβια Γκεστ

@o_guest

• goth gremlin • computational cognitive/neuroscience modeling • geek & techish Cypriot • plant aficionada • came up with #bropenscience • http://neuroplausible.com  •

Τότεναμ, Λονδίνο & Cyprus
olivia.science
Joined October 2015

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    1. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
      • Report Tweet
      Replying to @ikirker @augeas and

      Ugh. 😩

      1 reply 0 retweets 1 like
    2. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
      • Report Tweet
      Replying to @o_guest @ikirker and

      Olivia Guest | Ολίβια Γκεστ Retweeted Sam Schwarzkopf

      Huh!https://twitter.com/sampendu/status/1018115505763172353 …

      Olivia Guest | Ολίβια Γκεστ added,

      Sam SchwarzkopfVerified account @sampendu
      Replying to @o_guest
      The reason for this is that the input to the function defaults to a double - but yes that's stupid.
      1 reply 0 retweets 0 likes
    3. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
      • Report Tweet
      Replying to @o_guest @ikirker and

      And obviously the fact that it rounds the index after sufficient decimal points is idiotic too... I've had some similarly intractable nonsense happening too occasionally.

      2 replies 0 retweets 1 like
    4. Ian Kirker‏ @ikirker 14 Jul 2018
      • Report Tweet
      Replying to @sampendu @o_guest and

      Yeah, I'd guess there is no explicit epsilon for that indexing check -- it's just using the limit of double accuracy to work out whether it's an integer. I assume this can produce some wacky behaviour for Large arrays.

      2 replies 1 retweet 2 likes
    5. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
      • Report Tweet
      Replying to @ikirker @o_guest and

      In my case it has been the opposite where it claimed a variable was a certain integer, say 3, but x==3 would be false. Has produced some very annoying bugs...

      2 replies 1 retweet 3 likes
    6. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
      • Report Tweet
      Replying to @sampendu @ikirker and

      But at least the isinteger thing is internally consistent. It's not checking whether a number is an integer but whether the variable you input is... Of course there really should be a function to also do that with numbers (not sure, perhaps there is?)

      1 reply 0 retweets 0 likes
    7. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
      • Report Tweet
      Replying to @sampendu @ikirker and

      Hmm... isn't Matlab dynamically typed so what does type-checking like that actually help with?

      2 replies 0 retweets 0 likes
    8. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
      • Report Tweet
      Replying to @o_guest @ikirker and

      Not sure I understand what you mean. You can have a variable that is an integer type (say uint8 which is basically a byte with 0-255). The function checks if it is an integer variable.

      1 reply 0 retweets 0 likes
    9. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
      • Report Tweet
      Replying to @sampendu @ikirker and

      This:https://stackoverflow.com/questions/1517582/what-is-the-difference-between-statically-typed-and-dynamically-typed-languages …

      2 replies 0 retweets 0 likes
    10. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
      • Report Tweet
      Replying to @o_guest @ikirker and

      Thanks. Yes in that case... But it can be useful in theory. For instance, the image proc functions can use bitmaps either as 0-1 intensity or as 0-255 byte inputs. Not knowing which one it is could cause bugs.

      1 reply 0 retweets 0 likes
      Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
      • Report Tweet
      Replying to @sampendu @ikirker and

      Yeah, it's basically because you need to use a try-catch. 😇 https://en.wikipedia.org/wiki/Exception_handling …

      8:05 AM - 14 Jul 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Brad Wyble‏ @bradpwyble 14 Jul 2018
          • Report Tweet
          Replying to @o_guest @sampendu and

          I think it's fairer to say that Matlab is weakly typed. I believe it will try to figure out the type you need the first time a variable is assigned, and then stick with that. It can produce strange behaviors in certain cases, but it's not an issue for me knowing how it works.

          1 reply 0 retweets 0 likes
        3. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
          • Report Tweet
          Replying to @bradpwyble @sampendu and

          Ah, I didn't know it was weakly typed. Fair.

          1 reply 0 retweets 0 likes
        4. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
          • Report Tweet
          Replying to @o_guest @bradpwyble and

          Hence why I asked BTW!

          1 reply 0 retweets 0 likes
        5. Brad Wyble‏ @bradpwyble 14 Jul 2018
          • Report Tweet
          Replying to @o_guest @sampendu and

          Yep, it's confusing for me too. It's kind of a mixed bag in terms of tutorials. some say matlab is dynamic, some say it is weak. I think the distinction of what typing means gets a bit strained when discussing languages that aren't compiled in the classic sense.

          1 reply 0 retweets 0 likes
        6. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 14 Jul 2018
          • Report Tweet
          Replying to @bradpwyble @sampendu and

          I'm just blessed not to be trapped by them. But I think if I was I would be a different person. I do tend to think of my CompSci degree to be my most formative and central to my personality being solidified.

          1 reply 0 retweets 1 like
        7. Brad Wyble‏ @bradpwyble 14 Jul 2018
          • Report Tweet
          Replying to @o_guest @sampendu and

          When you say "trapped by them", what do you mean?

          1 reply 0 retweets 0 likes
        8. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
          • Report Tweet
          Replying to @bradpwyble @o_guest and

          Trapped by Matlab/Mathworks, I assume? I wouldn't mind moving to other languages (now in the home of R, so feel like I should try that again). But that's not overly realistic for maintaining productivity :P

          1 reply 0 retweets 1 like
        9. Sam Schwarzkopf‏Verified account @sampendu 14 Jul 2018
          • Report Tweet
          Replying to @sampendu @bradpwyble and

          And as we discussed the other day somewhere around here, it remains iffy that there are the necessary libraries for doing the things we do that this would be a smooth transition. Maybe I should hire a programmer for that one day... :)

          1 reply 0 retweets 1 like
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