MinigamePythonBeginner Earthquake location from three seismograms: circles, S minus P, and the misfit fog[..., 3] = np.minimum(0.55, 0.14 * np.log1p(m - m.min()))
RecipePythonBeginner Fit a galaxy rotation curve with curve_fit: the dark matter in NGC 3198 return 4 * np.pi * G * rhos * 1e9 * rs**3 * (np.log1p(x) - x / (1 + x)) / r