{"coeffs": [-3.7686614453645615e-06, 0.29968881845116024, 2.205841648909764, 0.2049064810108515], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.273785284948987e-06, 64.06887563979977, 44.24975041239359, 0.015152051537736128], "covariance": [[1.6225289521525725e-12, -6.888254770278625e-05, -4.758997508263793e-05, -1.7932945044469205e-08], [-6.888254770298809e-05, 4104.820825748128, 2835.031236507797, 0.944515800749732], [-4.758997508285801e-05, 2835.031236507786, 1958.0404115591266, 0.6524319815203661], [-1.7932945044466594e-08, 0.9445158007482835, 0.6524319815193707, 0.00022958466580221177]]}