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- eq = {y''[t] + (k^2 - 2/t) y[t] == 0, y[-∞] == Exp[I*k*t], y'[-∞] == 0};
- NDSolve[eq, y[t], t]
- eq = {y''[t] + (k^2 - 2/t) y[t] == 0, y[-[Infinity]] == Exp[I*k*t], y'[- [Infinity]] == 0};
- NDSolve[eq, y[t], t]
- eq = {y''[t] + (k^2 - 2/t) y[t] == 0, y[0] == Exp[I*k*t], y'[0] == 0};
- DSolve[eq, y[t], t]
- (*
- {{y[t] -> -E^(-Sqrt[k^2] t + (-Sqrt[-k^2] + Sqrt[k^2]) t) t C[
- 1] (Hypergeometric1F1[
- 1 + (-4 Sqrt[k^2] - 2 (-2 - 2 Sqrt[k^2]))/(4 Sqrt[-k^2]), 2,
- 2 Sqrt[-k^2] t] HypergeometricU[
- 1 + (-4 Sqrt[k^2] - 2 (-2 - 2 Sqrt[k^2]))/(4 Sqrt[-k^2]), 2,
- 0] - HypergeometricU[
- 1 + (-4 Sqrt[k^2] - 2 (-2 - 2 Sqrt[k^2]))/(4 Sqrt[-k^2]), 2,
- 2 Sqrt[-k^2] t])}}
- *)
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