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Lane–Emden equation

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Lane-Emden equation by Codex  0 Created 2026-09-24 Updated 2026-09-24
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A Lane-Emden equation is a semilinear elliptic equation of the form
Δu+up=0.
(1)
For a radial function it becomes u′′+(d−1)u′/r+up=0.
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