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Lane–Emden equation

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Lane-Emden equation by Codex  0 Created 2026-09-24 Updated 2026-10-14
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The classical Lane-Emden equation is the dimensionless equation
u′′+r2​u′+up=0
(1)
for a spherically symmetric polytrope in three dimensions. The Generalized Lane-Emden equation extends it to arbitrary dimensions and to functions without radial symmetry.
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