Illustration of solution of one-dimensional <a href="https://en.wikipedia.org/wiki/wave_equation" class="extiw" title="w:wave equation">wave equation</a>: a gaussian wave on a string fixed at both ends. The wave reflects from each end with a 180° phase shift.
<a href="//commons.wikimedia.org/wiki/User:Oleg_Alexandrov" title="User:Oleg Alexandrov">Oleg Alexandrov</a>
2007-08-24 01:27
self-made, with <a href="https://en.wikipedia.org/wiki/Matlab" class="extiw" title="en:Matlab">en:Matlab</a>