{"coeffs": [8.35624609355178e-09, 0.0022877812231348266, 4.789824366768107, 0.4313345239563914], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.269633045838729e-07, 40.90613683891385, 7777.92005677111, 2.288094288033635], "covariance": [[5.284756462115047e-13, -2.7579166403161386e-05, -0.005244718197477933, -1.6219063509978034e-06], [-2.757916641063283e-05, 1673.3120310839452, 318164.6363680913, 92.15095783426027], [-0.005244718198897514, 318164.6363679998, 60496040.409522295, 17522.8971534169], [-1.621906351215381e-06, 92.15095782254242, 17522.8971511939, 5.235375470932147]]}