Recent content by stephanie22

  1. S

    Does anyone know a solution to this ODE?

    Dear all, I am wondering if anyone knows the solution to the following nonlinear ODE, \left( -3 + \frac{ f(r) f'(r)}{r} \right)(1+ f'(r)^2 ) + f(r) f''(r) = 0 subject to the initial conditions f(R) = f(-R) = f_0. I have a feeling a closed form solution exists to this ODE because I...
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    Mathematica Mathematica: Infinite expression error when using NDSolve

    Dear all, If someone could help me solve this mathematica NDSolve problem, that would be really nice. Here is a related, simpler problem to the one I am having. Suppose I want to solve the nonlinear ODE \left(2 r + f(r) f'(r) \right) (1 + f'(r)^2) + r f(r) f''(r) = 0 subject to the...
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