{"coeffs": [-2.8813392034025616e-06, 4.4565874006732145e-05, 0.5089017807362701, 0.22099597589215741], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.4940420976936856e-07, 2.349827541969452e-06, 0.019176377552153106, 0.011573325523877423], "covariance": [[2.019641437584306e-13, -9.15449851978805e-13, -6.956574985254753e-09, -4.957574345039015e-09], [-9.154498519787984e-13, 5.521689476998196e-12, 4.473145379210178e-08, 2.630926756729234e-08], [-6.956574985254692e-09, 4.473145379210172e-08, 0.0003677334560227215, 0.00020839798079475862], [-4.957574345038999e-09, 2.6309267567292425e-08, 0.0002083979807947596, 0.0001339418636816326]]}