In this video, I walk through the derivation of an extension of the factorial function that works for any number: fractional, irrational, and even complex! This turns out to be a very important function, known as the gamma function, which has many surprising connections, one of which I explore in the last chapter of the video.
The animations in this video were made with Manim, an opensource Python library for making math animations, originally created by 3Blue1Brown. https://www.manim.community/
My Previous video: Extending the Harmonic Numbers to the Reals: • Extending the Harmonic Numbers to the...
Chapters:
0:00 Introduction
1:38 A few Disclaimers
3:58 The Recursive Formula
6:50 The Super Recursive Formula
8:45 A minor setback
10:28 Logarithms
15:21 Deriving the Solution
19:26 Our Constraints
20:25 History and Conventions
22:16 The Miracle
25:44 The End
I went for some more relaxing background music this time. Hopefully it doesn't put you to sleep!
Creative Commons music used in this video:
Enchanted Journey by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Source: http://incompetech.com/'>http://incompetech.com/music/royalty...
Artist: http://incompetech.com/'>http://incompetech.com/
Fluidscape by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Source: http://incompetech.com/'>http://incompetech.com/music/royalty...
Artist: http://incompetech.com/'>http://incompetech.com/
Kevin MacLeod is a lifesaver!
Other music used in this video:
River by HarumachiMusic
Night Music by Kevin MacLeod
Moon Men by Jake Chudnow
And a couple of my own songs:
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