{"coeffs": [-3.6772805391115685e-08, 0.17756408970855472, 1.2440364476623125, 0.06348043598809158], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.575830230898518e-08, 267.26919075335934, 95.85839786164345, 0.00339220810293054], "covariance": [[6.634901378410712e-16, -2.720237921383489e-06, -9.757402363818546e-07, -4.3961073471429975e-11], [-2.7202379222641146e-06, 71432.82032595559, 25619.99629401638, 0.868310986684249], [-9.757402365986707e-07, 25619.996294015753, 9188.83244060113, 0.3114366050322341], [-4.396107347701495e-11, 0.8683109866203444, 0.3114366050096346, 1.1507075813587611e-05]]}