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functions.txt

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+This is kind of a chaotic function I made, it could be used e.g. for fractal
+noise. The basis is a function
+
+A * sin(0.1 * F * x + 7 * sin(0.07 * F * x)
+
+where A is amplitude and F is frequency. Adding these together with increasing
+frequency and decreasing amplitude creates a nice curve, e.g.:
+
+10 * sin(0.1 * x + 7 * sin(0.07 * x)) + 
+5 * sin(0.2 * x + 7 * sin(0.14 * x)) + 
+2.5 * sin(0.4 * x + 7 * sin(0.28 * x)) + 
+1.125 * sin(0.8 * x + 7 * sin(0.56 * x))
+