We will start by deriving the wave equation for vibrations of a string in one dimension. The waves or vibration are described by giving h, the displacement of the string off the χ axis, as a function of distance along the χ axis (see Figure 2.1). If this were a water wave, we would interpret h as the height of the water rather than as the displacement of the string.
KeywordsWave Equation Standing Wave Upward Force Stringed Instrument String Segment
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