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Smooth Interpolation Function in One Dimension | Smooth Interpolation Function E1

412K views · Aug 16, 2022 · Education

Comments · 457

  • @krause-314 · 4 years ago · pinned

    Is there a name for this kind of interpolation so that I can search more about?

    822

  • @edgelernt4021 · 4 years ago

    <a href="https://www.youtube.com/watch?v=vD5g8aVscUI&amp;t=476">7:56</a> “It is too big to fit in the margin” - Pierre de Fermat has entered the chat

    99

  • @Xammed · 4 years ago

    The subtle humor in this is incredible

    173

  • @kallethoren · 4 years ago

    The &quot;Can we do any better?&quot; with Lara Croft got me good

    255

  • @offscript1675 · 4 years ago

    Safe to say, I’m confused

    714

  • @PitumanLife118 · 2 years ago

    bro really performed surgery on functions

    58

  • @TechSY730 · 4 years ago (edited)

    Good stuff.<br>Kind of gives insight as to why finding an &quot;analytic&quot; continuation (but for this video not really as we are only dealing with reals, but more generally) can be difficult. Why &quot;infinitely differentiable&quot; is such a constraining condition.<br><br>(Hopefully) Constructive criticism:<br><br>I found myself losing track of which &quot;Greek letter function&quot; was modeling what parts of our goal.<br><br>Like it would be helpful to have a line like &quot;φ will be the continuous step function used to interpolate&quot; or something when you defined the function.<br>Same for the ψ function too.<br><br>If you did already describe it, there was enough time between when you stated it and performing the proofs and derivations (<a href="https://www.youtube.com/watch?v=vD5g8aVscUI&amp;t=510">8:30</a> ish) that it deserved having a reminder at that point.

    297

  • @joluju2375 · 4 years ago

    I had to play the video twice to finally understand that the solution you expose is what is known as &quot;crossfading&quot; in audio engineering, and that most of the video is devoted to how to easily build a decent S-shape transition signal. I appreciate when ideas and intentions come first in plain language, and the maths come after, it&apos;s more easy for me to follow. However, I subscribed to your channel. Please, keep the pace slow, and the music down ! &nbsp; &nbsp;:D

    43

  • @LukePalmer · 4 years ago

    Very beautiful technique. &nbsp;I also love that that function e^(-1/x) is bonkers in the complex plane so this argument totally breaks down on the complexes.

    116

  • @wyrmhero4275 · 4 years ago

    This video is just mindbowing, never thought that there would even be a way to construct truly smooth interpolation. Also, your visuals and presentation is really great, loved it. Keep going!

    46

  • @AlexanderVulpes · 4 years ago

    This is really surprising! When I first saw the title I figured smooth transitions would be impossible, but here we are lol

    3

  • @AvesNova · 4 years ago

    Thank you so much! This has been in the back of my mind for a while now. Great explanation.

    45

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