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A New Way to Look at Fibonacci Numbers
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581,250 Views ā€¢ Feb 23, 2020 ā€¢ Click to toggle off description
A look at how Pisano periods and the modulo function can turn the Fibonacci sequence into strange and fun visual designs.

More links:

Interactive circle designs by towerofnix: www.khanacademy.org/computer-programming/spin-off-ā€¦

On-Line Encyclopedia of Integer Sequences: oeis.org/
Fibonacci Sequence (A000045): oeis.org/A000045
List of Pisano Periods (A001175): oeis.org/A001175

PICTURE CREDITS
Lewitt, Sol. "Wall Drawing #33." 15 bytes. Artists of Utah, Kiki Karahalios, 27 Feb. 2019, artistsofutah.org/15Bytes/index.php/43029/.

Lewitt, Sol. "Wall Drawing #51." MASS MoCA. n.d., massmoca.org/event/walldrawing51/.

Lewitt, Sol. "Wall Drawing # 1115." Rice University News and Media Relations. Katharine Shilcutt, Estate of Sol Lewitt / ARS, 1 Nov. 2019, news.rice.edu/2019/11/01/rices-glasscock-school-to-display-sol-lewitt-drawings/.

u/julekca. "[OC] Blade Runner 2049..... represented by 1600 captures of the movie. Each of these is resized to 1px wide and extracted with the same time interval." r/dataisbeautiful. Reddit, c. Oct. 2019, www.redlib.matthew.science/r/dataisbeautiful/comments/d7nw9p/oc_blade_runner_2049_represented_by_1600_captures/.

VIDEO CREDITS
"Fibonacci Mystery." YouTube, uploaded by Numberphile, 18 Sep. 2013, Ā Ā Ā ā€¢Ā FibonacciĀ MysteryĀ -Ā NumberphileĀ Ā .

"The Golden Ratio (why it is so irrational)." YouTube, uploaded by Numberphile, 8 May 2018, Ā Ā Ā ā€¢Ā TheĀ GoldenĀ RatioĀ (whyĀ itĀ isĀ soĀ irrati...Ā Ā .

"Times Tables, Mandelbrot and the Heart of Mathematics." YouTube, uploaded by Mathologer, 6 Nov. 2015, Ā Ā Ā ā€¢Ā TimesĀ Tables,Ā MandelbrotĀ andĀ theĀ Hear...Ā Ā .

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Used with permission:
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Views : 581,250
Genre: Science & Technology
Date of upload: Feb 23, 2020 ^^


Rating : 4.957 (234/21,316 LTDR)
RYD date created : 2022-04-04T10:47:49.199415Z
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YouTube Comments - 870 Comments

Top Comments of this video!! :3

@jacobyatsko

11 months ago

Some notes and responses to common questions: - The video was made using Adobe Illustrator and After Effects. I would not recommend doing a similar video this way, as it requires laying out every shot perfectly beforehand and animating every line more or less individually, rather than relying on a coding background (I have basically none) and a program that could simply generate the animations instead. A drawback of the way I did it is stuff like the missing line in the decagon that people have pointed out at 0:50. - Despite looking similar, I assure you there's no connection between the 10 graph and the Brilliant logo :D. (Also, what do we call these images? Designs? Graphs? Patterns? Symbols? Let me know what you think) - Could this be done in 3D? I'm not exactly sure. You could pick a point on the sphere to start, but how do you go about distributing the rest of the points on the sphere, in a regular pattern? It's easy to do it with a circle because you just go around the circle. But with a sphere, you have to choose between two axes of movement. - Thanks to everyone who reassured me that the mod operation can apply to fractions as well as integers!

75 |

@daan6693

3 years ago

This is a hidden gem.

395 |

@guynamedtoast

3 years ago

I donā€™t know why Iā€™m getting this as a suggested a year later but I ainā€™t complaining

417 |

@aradarbel4579

3 years ago

6:18 This mod 10 design was brought to you by, brilliant

31 |

@davidcurrie7572

11 months ago

Iā€™m an artist and have been focused on rotating objects and the visualization of mathematical patterns for my entire life. The information in this video absolutely provides the most inspiring information Iā€™ve ever come across, thank you!

58 |

@benromero3566

1 year ago

Hi. I discovered these exact patterns a few years back and it feels strangely validating to have someone else discover them too. I would like to be the first to have discovered these things but that's highly unlikely since there's nothing new under the sun. Let me recommend that you stop limiting the periods to bouncing within a circle and give them the angles of a triangle or a pentagon or a hexagon. Whatever polygon you like. You will see some very beautiful and awesome line designs, there's one that even looks like a profile of a brain. It's fascinating. Also, I used a different kind of modulo that does not allow zeroes to be produced, I guess you could say it is an 'inclusive modulo' since it produces the dividend if the divisor fits exactly. Be careful though, you may lose many many hours watching the designs produced:D

126 |

@123amsterdan456

3 years ago

I bet this video will inspire a lot of tattoos in some math enthusiasts around the globe

32 |

@kotschi93

3 years ago

5:30 When you just want to do mathematics but accidentally start summoning a demon.

87 |

@anthonykeller5120

1 year ago

Any way add a third dimension? It would be interesting to see some of the irregular designs in a sphere.

169 |

@xunxekri

3 years ago

9:42 It contains 1, 3, 7, and 9 because the chosen mod is 10. Except for two and five, all of these numbers are coprime with tenā€”because primes are necessarily coprime with every number that isn't a multiple of themselves. Two and five are the only exceptions because they are the factors of ten.

54 |

@ethanmcswain2700

3 years ago

10:14 I actually used this framework a couple years ago to solve an interesting puzzle I came across at a conference: ā€œarrange the digits 1 through 16 so that every pair of digits sums to a perfect square.ā€ I used this visitation method to find other sequences of digits, 1 to n, for which this is possible, and their respective solutions. Turns out theyā€™re connected to Pythagorean triples, and the visitation of all possible sequence of digits makes nice parallel lines.

66 |

@stevemcwinboi914

11 months ago

This is one of the most interesting, math related videos I've seen in a while. I love these types of math visualizing videos, so I hope you continue making them!

5 |

@egilsandnes9637

3 years ago

I slightly chuckled when I saw the words "Pisano period" was written in red text over a yellow background. I will never grow up.

59 |

@voetbalrutje

3 years ago

Hi Jacob. I found some interesting ones. Just woow: For mod = 675 and every [fib+fib] * 947 with a fib start position of 6,7 Butt/Mushroom: For mod = 2529 and every [fib+fib] * 2 with a fib start position of 0,1 eye: For mod = 2529 and every [fib+fib] * 2 with a fib start position of 2:2 Infinity mandala: For mod = 376 and every [fib+fib] * 2 with a fib start position of 2:2 Regular mandana: For mod = 688 and every [fib+fib] * 662 with a fib start position of 2:8 I also made an online demo where everyone can experiment with values I tried linking it before but it didn't work, will now try in the reactions of this comment.

42 |

@Eterrath

3 years ago

First thing in my recommended after waking up in the morning. I absolutely loved the style and message of it. Looking forward to seeing more beautiful productions like this.

12 |

@paulandrews__

1 year ago

Love that you had the Lateralus reference in there at 10:23. Great job. Thank you.

4 |

@MidnightSt

1 year ago

0:50 the mandalas - I love how the even numbers have a centerpoint, while the odd numbers have a center area/polygon. I never realized that until now, thank you.

2 |

@richinoable

2 months ago

The pedagogical outlook expressed in the introduction actually hooked me. Multiple/alternative modalities, recognition of many possible representations, lovely! Math content that treats students as curious humans rather than the "show your work" automata i recall from my school days.

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@spoonatic

3 years ago

This is excellent both in concept and execution, thank you. Iā€™ve been drawing patterns like these for years but without any sophisticated math(s) underpinning. I will be experimenting with the generative sequences you have described so clearly.

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@sebastiannguyen4755

3 years ago

Yes! This is exactly the type of math visuals I have been sketching for some time now, mostly experimenting with star polygons. I'm so happy this was recommended to me. Great work, you have opened me up to new knowledge!

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