{"coeffs": [-1.4500789203409302e-06, 0.4339338079479588, 2.051653747606338, 0.1615622828916831], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.1147923239341102e-06, 729.449403925727, 272.96349537998015, 0.027940013811684334], "covariance": [[1.2427619255024142e-12, -0.0006206952729546203, -0.00023230350393687482, -2.7149623872772658e-08], [-0.0006206952729228535, 532096.4328875984, 199113.05342063916, 19.67421372764325], [-0.00023230350392655966, 199113.0534206428, 74509.06981005645, 7.362656487830313], [-2.7149623872011278e-08, 19.674213728054855, 7.36265648798273, 0.0007806443717971114]]}