From hell's heart I stab at thee


If this looks familiar to you, you might be trapped in Fourier calculus hell. Just like me.

For the rest of you, the first above is the two-dimensional wave function expressed in polar coordinates, and you're supposed to figure out u(r, ?, t), which gives the rise of the wave at a particular location at a particular time. The rest is the first steps towards solving it.

And things will get even more fun before the end ...

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