{"coeffs": [-1.0676460022765065e-06, 0.19331193546392078, 1.903236310214256, 0.159507671645537], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.393875911027143e-07, 70.02574286119616, 58.17800852560792, 0.013411388304131182], "covariance": [[2.90938973435589e-13, -2.8641662501494947e-05, -2.3803454579649326e-05, -6.277115804604519e-09], [-2.8641662504252584e-05, 4903.604663262367, 4073.9577825705505, 0.9062305288195884], [-2.3803454581954214e-05, 4073.957782570261, 3384.680676005708, 0.7530038155035862], [-6.277115804902147e-09, 0.9062305287837094, 0.7530038154738264, 0.00017986533624418666]]}