Live link 1: https://academo.org/demos/3d-surface-plotter/?expression=sin(1*x)*sin(0.5*y)&xRange=0%2C6.28&yRange=0%2C6.28&resolution=50
Live link 2: https://www.youtube.com/watch?v=v4ELxKKT5Rw
Table of Contents:
00:11 - Extending to two dimensions
01:14 - 2-D wavefunctions to calculate
08:48 - Particle on a 2-D surface
09:25 - Particle on a 2-D surface
09:39 - Particle on a 2-D surface – Lx > Ly
10:42 - Particle on a 2-D surface – Lx > Ly
11:15 - Special case: Lx = Ly
11:37 - Special case: Lx = Ly Degeneracy
12:55 - Summary so far: