What are Reed-Solomon Codes? How computers recover lost data

Comments · 183

• VC

  @vcubingx · 4 years ago · pinned

  If you enjoyed the video, please consider subscribing :)

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• DY

  @dylanparker130 · 4 years ago

  How have I never come across Lagrange polynomials?!  That was one of the most beautiful pieces of maths I've ever seen!

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• NA

  @narayanbandodker5482 · 4 years ago

  Missed opportunity to title the video "Learn how to Reed Solomon codes"

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• RO

  @roy04 · 2 years ago

  Was about to spend an entire night to understand how it worked, but did it in 15 minutes. Has got to be one of the most elegant explanations of this topic if not the most elegant.

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• GL

  @glitchy_weasel · 2 years ago

  What a wonderful video! Came here from 3B1B&apos;s Hamming codes video, and this video blew my mind. Never realized how elegant Lagrange polynomials are!<br>I wonder if Reed-Solomon can not only correct known errors, but detect them. i.e. what happens if you do receive all the packets, but one of them changed value unexpectedly? 🤔

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• AM

  @Amara87387 · 3 years ago

  This is why I love mathematics. There’s all this “useless” stuff you learn in high school but when you look into the environment around you, it’s EVERYWHERE! I hope I can put math to better use in my own code

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• VE

  @vesk4000 · 3 years ago

  Wow, this was so well explained. Made it all seem very intuitive. I loved it!

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• NA

  @nadavshemesh1231 · 2 years ago

  This introduction to Reed-Solomon codes was extraordinarily put together, and was presented beautifully and elegantly. Thank you, I had a lot of fun watching.

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• ER

  @erin1569 · 7 months ago

  Damn, I didn&apos;t know Solomon Reed from Cyberpunk 77 was a mathematician.

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• PR

  @prometheus7387 · 4 years ago (edited)

  <a href="https://www.youtube.com/watch?v=1pQJkt7-R4Q&amp;t=770">12:50</a> Up until this moment I was still confused. Then it hit me like a lightning bolt. Clever thinking!

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• NY

  @nycki93 · 2 years ago

  I&apos;ve read about Reed Solomon before but everyone either just talks about the polynomials or just talks about the matrix algebra, this is the only explanation I&apos;ve seen that elegantly bridges that gap. This should be taught in college!

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• YA

  @yasam9311 · 3 years ago

  Reed Solomon is a magic for me. I secured my photo album of 30 photos totalling 60 Megabytes, each photo is 2 Megabytes average. It created a 4.4 Megabytes of rescue data. now, even if I delete a photo, the rescure software (QuickPar) recovers that photo by using &nbsp;Reed Solomon algorithm. storing medias we use today are mostly flash memories, like SSDs or USB disks. bit rots may happen on those hardwares. your JPG photo file won&apos;t get unreadable when some of it&apos;s bits rotten, but your RAR archieve file would. so Reed Solomon is a life-saver assitant for reliably save files on long term..

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