{"coeffs": [-6.063790118020529e-07, 5.230050286008586e-05, 0.45527301650368746, 0.1262341661800927], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.993460951483864e-07, 3.083466647533958e-06, 0.01562865303898094, 0.008242144928490106], "covariance": [[1.594773037102641e-13, -7.712821696712041e-13, -3.297180944359495e-09, -2.604960197344543e-09], [-7.712821696712032e-13, 9.507766566454307e-12, 4.741162661972288e-08, 2.3400487394725977e-08], [-3.2971809443594933e-09, 4.741162661972288e-08, 0.0002442547958128482, 0.00011411224672114182], [-2.604960197344542e-09, 2.3400487394725983e-08, 0.00011411224672114182, 6.793295302223517e-05]]}