# Helmholtz equation

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## 5 matching pages

##### 1: 34.12 Physical Applications

###### §34.12 Physical Applications

… ► $\mathit{3}j,\mathit{6}j$, and $\mathit{9}j$ symbols are also found in multipole expansions of solutions of the Laplace and Helmholtz equations; see Carlson and Rushbrooke (1950) and Judd (1976).##### 2: 10.73 Physical Applications

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►The Helmholtz equation, $({\nabla}^{2}+{k}^{2})\psi =0$, follows from the wave equation
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###### §10.73(ii) Spherical Bessel Functions

…##### 3: 14.31 Other Applications

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