{"coeffs": [-5.65107535760199e-06, 0.00016342860596538385, 0.5522997277008556, 0.2083465826296709], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0790169595436827e-06, 1.269601341689969e-05, 0.02877766138884531, 0.01141147743738386], "covariance": [[1.1642775989828932e-12, -1.1447790478492875e-11, -2.5380457064676574e-08, -1.1499463741935671e-08], [-1.1447790478492877e-11, 1.6118875668209693e-10, 3.6471814742215667e-07, 1.3961431959328786e-07], [-2.5380457064676583e-08, 3.6471814742215667e-07, 0.0008281537950110382, 0.00031503750364379984], [-1.1499463741935671e-08, 1.3961431959328778e-07, 0.0003150375036437998, 0.0001302218173039209]]}