User:Erik

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Revision as of 00:36, 25 September 2021 by Erik (talk | contribs) (Freenode is dead.)
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Name: Erik Hanson
Web: http://sl1200s.org/~erik/
IRC: Libera Chat


<math>\phi_n(\kappa) = \frac{1}{4\pi^2\kappa^2} \int_0^\infty \frac{\sin(\kappa R)}{\kappa R} \frac{\partial}{\partial R}\left[R^2\frac{\partial D_n(R)}{\partial R}\right]\,dR</math>