I am currently solving the heat equation in cylindrical coordinates. I have found my general solutions using separation of variables. I was wondering, when do I apply the initial and boundary conditions? Is it when each solution is separated or when I bring them together of the form u(rho,z,phi,t). Any help would be greatly appreciated. Thanks!
2026-03-29 15:21:38.1774797698
Initial Conditions and Boundary Conditions on a PDE
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