{"coeffs": [-1.8479876870215594e-06, 8.377706088913501e-05, 0.39045874593347313, 0.13739240428172428], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9859300304933188e-07, 7.997351738188317e-07, 0.0026614733800062423, 0.0019354328323840362], "covariance": [[3.943918086015194e-14, -1.0658643113498891e-13, -2.481893239839736e-10, -3.22885832977736e-10], [-1.0658643113498889e-13, 6.395763482430369e-13, 2.033039330596094e-09, 1.4192264633906686e-09], [-2.481893239839734e-10, 2.033039330596094e-09, 7.083440552481853e-06, 4.193404487364659e-06], [-3.2288583297773594e-10, 1.4192264633906686e-09, 4.19340448736466e-06, 3.7459002486700925e-06]]}