{"coeffs": [-1.4001086930025624e-07, 0.16368806874351244, 1.270045831339138, 0.06725767066332103], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.162656357382171e-08, 155.41961362451121, 64.04655257908402, 0.0026681654239144783], "covariance": [[4.677082520125521e-16, -1.380324722033854e-06, -5.688848678387355e-07, -3.0129008472132676e-11], [-1.3803247217134492e-06, 24155.256299192355, 9954.09038703056, 0.39680948614995226], [-5.688848677043684e-07, 9954.09038703081, 4101.960897265374, 0.16352624185076906], [-3.0129008468008567e-11, 0.3968094861757339, 0.1635262418614156, 7.119106729372728e-06]]}