{"coeffs": [6.196193157356131e-07, 1.702239374702248, 1.8846461750158536, 0.1278007774468007], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.296546966624455e-07, 4975.239438299426, 374.9819195779418, 0.012872517311808109], "covariance": [[5.323959763615653e-13, -0.0024055205946818285, -0.00018131691816434772, -7.38818205981163e-09], [-0.002405520592599373, 24753007.468409985, 1865624.8262286363, 61.427062924865346], [-0.00018131691800766782, 1865624.8262288326, 140611.44001035803, 4.62986634130038], [-7.388182056577296e-09, 61.42706294462646, 4.629866342790625, 0.00016570170194279946]]}