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math.HO2020
Envelopes are solving machines for quadratics and cubics and certain polynomials of arbitrary degree
Michael Schmitz, André Streicher
Everybody knows from school how to solve a quadratic equation of the form graphically. But this method can become tedious if several equations ought to be solved, as f…
math.HO2020
A probabilistic way to discover the rainbow
Joscha Prochno, Michael Schmitz
"No two rainbows are the same. Neither are two packs of Skittles. Enjoy an odd mix!". Using an interpretation via spatial random walks, we quantify the probability that two randoml…