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May refer to an electromagnetic wave (such as a radio wave) or the PCB manufacturing process of wave soldering.

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Sinusoids represented using Euler's formula notation, confusion

When solving the wave equation of \$\mathbf{E}\$, we are basically solving a differential equation, e.g. $$ \frac{\partial^2E}{\partial x^2} -k\frac{\partial^2E}{\partial t^2}=0 $$ Our aim is to find …
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