Multipole Expansions of Electric Fields @wolframmathematica

Uploaded June 2017 | Updated September 2026, 1 week ago

demonstrations.wolfram.com/MultipoleExpansionsOfElectricFields

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In classical electromagnetic theory, the potential of a reasonably localized charge distribution can be represented by a multipole expansion, which is based on a sum of terms of the form r^-(?+1)SubsuperscriptBox[Y, ?, ?](?,?). The contributions from ?=...

Contributed by: Brad Klee

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$The Plemelj Construction of a Triangle: 3 http://demonstrations.wolfram.com/ThePlemeljConstructionOfATriangle3 The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily. This Demonstration constructs a triangle ABC given the length c of its base AB, the length h_C of the altitude from C to AB and the difference ?=?-? between the angles at A and B. Let m=SqrtBox[RowBox[{SuperscriptBox[c, 2], +, SuperscriptBox[RowBox[{(, ... Contributed by: Izidor Hafner Audio created with WolframTones: http://tones.wolfram.com$