{"coeffs": [4.32813676944937e-08, 9.7997208215413e-05, 0.758386855934538, 0.11854080904917923], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.535869861273622e-08, 2.4770107187845993e-05, 0.042430107602066114, 0.004251913704009644], "covariance": [[3.0645855120957632e-15, -8.218609874066785e-13, -1.455397042573999e-09, -1.7245989849963102e-10], [-8.218609874066762e-13, 6.135582100973797e-10, 1.049544470663436e-06, 1.0020553883201595e-07], [-1.4553970425740014e-09, 1.0495444706634363e-06, 0.0018003140311229088, 0.0001741935654591867], [-1.7245989849963017e-10, 1.0020553883201595e-07, 0.0001741935654591867, 1.8078770146345015e-05]]}