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Keywords from Image Description:
Stehende welle . de Stehende Welle end GNU Octave gnuplot GNU Octave mik Stehende Welle steps speed timebase steps wave sin pi timebase gnuplotset size square for phi steps steps hinlaufend sin pi timebase pi phi ruecklaufend sin pi timebase pi phi sum hinlaufend ruecklaufend axis plot timebase hinlaufend