{"coeffs": [-5.502693949598262e-07, 4.029201124665423e-05, 0.4147498528625875, 0.11450011126265683], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.391611777835388e-07, 9.872131843699988e-07, 0.005991223570001026, 0.003310796199523592], "covariance": [[1.9365833402101692e-14, -8.294659298149006e-14, -4.0762015900563597e-10, -3.5664914607635576e-10], [-8.294659298149018e-14, 9.745898713939535e-13, 5.792376327151926e-09, 2.9897656648159446e-09], [-4.0762015900563613e-10, 5.792376327151928e-09, 3.589475986573584e-05, 1.728217332543913e-05], [-3.56649146076356e-10, 2.9897656648159438e-09, 1.7282173325439123e-05, 1.096137147477986e-05]]}