{"coeffs": [-2.892778015353765e-07, 3.877863324847675e-05, 0.4813997482986723, 0.12948166220678672], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.4204612640352154e-08, 5.448380390224097e-07, 0.0037522619721548156, 0.0017413288780958281], "covariance": [[2.9381400314906245e-15, -1.8884339733203072e-14, -1.1650299638190444e-10, -7.527067917815972e-11], [-1.888433973320305e-14, 2.9684848876578483e-13, 2.024501005410938e-09, 8.802534970522088e-10], [-1.1650299638190436e-10, 2.024501005410938e-09, 1.4079469907679146e-05, 5.941199388383291e-06], [-7.527067917815967e-11, 8.802534970522092e-10, 5.9411993883832924e-06, 3.0322262616904757e-06]]}