You know how a square wave is made of the sum of loads of odd numbered cosine harmonics but it can never be perfectly square cos there would have to be infinitely many harmonics? Well, the unusual sharp/curvy edges of the wavefronts here kind of relate to that. Either caused by the resolution of the floating point numbers in python, or the number of points, or the spring constant?
sybille peretti
Soviet Union space program propaganda poster.
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