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I have tried to solve the cylindrical case of the heat equation and reached the second order differential equation for the function R(r):
R'' + (1/r)*R' + (alfa/k)*R = 0
(alfa, k are constants)
I couldn't find material on the web for non-constant coefficients, does anyone know how to solve this?
thanks
R'' + (1/r)*R' + (alfa/k)*R = 0
(alfa, k are constants)
I couldn't find material on the web for non-constant coefficients, does anyone know how to solve this?
thanks