File:EFsquare f0 1 4 6 3D Excel2 RK.png

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English: Special eigenfunction of the PDE Δu + k2u = 0 for the square with zero boundary condition in a perspective 3D representation, drawn with the MS Excel 2013 program.
Deutsch: Spezielle Eigenfunktion der PDG Δu + k2 u = 0 für das Quadrat mit Randbedingung Null in perspektivischer 3D-Darstellung, gezeichnet mit dem Programm MS Excel 2013.
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Author Roderich Kahn

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Date/TimeThumbnailDimensionsUserComment
current09:47, 12 March 2022Thumbnail for version as of 09:47, 12 March 20222,800 × 1,300 (392 KB)Roderich Kahn (talk | contribs)Angles of rotations slightly changed. Background colored with SVG color Lightcyan.
16:54, 4 March 2022Thumbnail for version as of 16:54, 4 March 20222,798 × 1,259 (372 KB)Roderich Kahn (talk | contribs)Uploaded own work with UploadWizard

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