Bessel Functions - 10.73 Physical Applications

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10.73.E1 1 r r ( r V r ) + 1 r 2 2 V ϕ 2 + 2 V z 2 = 0 1 𝑟 partial-derivative 𝑟 𝑟 partial-derivative 𝑉 𝑟 1 superscript 𝑟 2 partial-derivative 𝑉 italic-ϕ 2 partial-derivative 𝑉 𝑧 2 0 {\displaystyle{\displaystyle\frac{1}{r}\frac{\partial}{\partial r}\left(r\frac% {\partial V}{\partial r}\right)+\frac{1}{r^{2}}\frac{{\partial}^{2}V}{{% \partial\phi}^{2}}+\frac{{\partial}^{2}V}{{\partial z}^{2}}=0}}
\frac{1}{r}\pderiv{}{r}\left(r\pderiv{V}{r}\right)+\frac{1}{r^{2}}\pderiv[2]{V}{\phi}+\pderiv[2]{V}{z} = 0

(1)/(r)*diff((r*diff(V, r))+(1)/((r)^(2))*diff(V, [phi$(2)]), r)+ diff(V, [z$(2)]) = 0
Divide[1,r]*D[(r*D[V, r])+Divide[1,(r)^(2)]*D[V, {\[Phi], 2}], r]+ D[V, {z, 2}] == 0
Successful Successful - Successful [Tested: 300]