3Blue1Brown

Analysis

An assortment of topics loosely related to the field of analysis
Lessons
But what is the Fourier Transform? A visual introduction.An animated introduction to the Fourier Transform, winding graphs around circles.Jan 26, 2018
The more general uncertainty principle, beyond quantumThe general uncertainty principle, about the concentration of a wave vs the concentration of its fourier transform, applied to two non-quantum examples before showing what it means for the Heisenberg uncertainty principle.Feb 25, 2018
Visualizing the Riemann zeta function and analytic continuationWhat is the Riemann zeta function? What is analytic continuation? This video lays out the complex analysis needed to answer these questions.Dec 9, 2016
Divergence and curl: The language of Maxwell's equations, fluid flow, and moreDivergence, curl, and their relation to fluid flow and electromagnetismJun 21, 2018
Hilbert's Curve: Is infinite math useful?Drawing curves that fill all of space, and a philosophical take on why mathematics about infinite objects can still be useful in finite contexts.Jul 21, 2017
Fractals are typically not self-similarWhat exactly are fractals? A common misconception is that they are shapes which look exactly like themselves when you zoom in. In fact, the definition has something to do with the idea of "fractal dimension".Jan 27, 2017
Winding numbers and domain coloringAn algorithm for solving continuous 2d equations using winding numbers.Mar 24, 2018
What does it feel like to invent math?A journey through infinite sums, p-adic numbers, and what it feels like to invent new math.Aug 14, 2015
Music And Measure TheoryHow one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.Oct 4, 2015