Wave equation + Fourier series + Separation of variables
In the very last line in the video, replace "x" with "t" in the cos term. How to solve the wave equation via Fourier series and separation of variables. Such ideas are have important applications in science, engineering and physics.

▶︎
Sketch constant vector field

▶︎
Heat equation: Separation of variables

▶︎
Deriving the Wave Equation

▶︎
Heat equation + Fourier series + separation of variables

▶︎
Solving the Wave Equation with Separation of Variables... and Guitar String Physics

▶︎
Fourier Transform Best Explanation (for Beginners)

▶︎
Wave Equation

▶︎
Intro to Fourier transforms: how to calculate them

▶︎
Solving the heat equation | DE3

▶︎
SUMMER DEEP HOUSE Musics Mix 2026 ♫ Bruno Mars, Lady Gaga,Dua Lipa, Adele,Ed Sheeran, The Weeknd #02

▶︎
Fourier series: the basics

▶︎
William Dunham, A tribute to Euler

▶︎
But what is a Fourier series? From heat flow to drawing with circles | DE4

▶︎
You Know This Song (but the Orchestra Doesn’t) | Jacob Collier & VSO School of Music Orchestra | TED

▶︎
Heat equation + Fourier series

▶︎
But what is a partial differential equation? | DE2

▶︎
Punching 1500 Elos In The Face

▶︎
Fourier series: Odd + even functions

▶︎
Best Explanation of Maxwell's Equations

▶︎
