{"coeffs": [-1.1896731220720335e-07, 0.06291316780501816, 1.266217879583889, 0.07718705728314988], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.55574331875686e-08, 17.531365286759247, 21.623827487367492, 0.003273889152814574], "covariance": [[1.2643310548884046e-15, -2.820767108508471e-07, -3.480548034501253e-07, -6.654461998937635e-11], [-2.820767108355601e-07, 307.34876881778706, 379.0951915749942, 0.054835022287809225], [-3.4805480343415113e-07, 379.09519157500114, 467.58991520342994, 0.06764339899265766], [-6.654461998802111e-11, 0.05483502228863452, 0.06764339899366616, 1.0718350184916929e-05]]}