{"coeffs": [-8.24316534381207e-07, 5.5547215285312806e-05, 0.4344457837780208, 0.121000172979102], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.372221585713231e-07, 1.4918606611675761e-06, 0.00696972494416948, 0.0040793324136459055], "covariance": [[5.627435251723797e-14, -2.1374586672768978e-13, -7.78395204284441e-10, -7.521124742204906e-10], [-2.1374586672768983e-13, 2.225648232339357e-12, 1.0132805437154711e-08, 5.549148762795847e-09], [-7.783952042844405e-10, 1.013280543715471e-08, 4.857706579737826e-05, 2.437656789134544e-05], [-7.521124742204906e-10, 5.549148762795847e-09, 2.4376567891345448e-05, 1.6640952941022126e-05]]}