{"coeffs": [1.3973889528192831e-08, 0.11679867561364754, 1.5014166854880104, 0.08637703015449646], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.588575560901132e-08, 2406.2970227000596, 1787.146791640537, 0.028377539486009625], "covariance": [[3.1232176799901403e-15, -6.331521735774165e-05, -4.702631609358292e-05, -9.412360696611947e-10], [-6.331521733203086e-05, 5790265.361455172, 4300405.998312229, 65.16838978167455], [-4.702631607375782e-05, 4300405.998312326, 3193893.654871065, 48.401060127104905], [-9.412360694380764e-10, 65.1683897906509, 48.401060133718055, 0.0008052847472800353]]}