{"coeffs": [-4.4148279174006774e-07, 0.3495126430321351, 1.899028319960205, 0.15297143800999502], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.7041606904919343e-07, 121.16870753528282, 53.344521666790456, 0.008856487378799474], "covariance": [[2.2129127801969554e-13, -4.225487522690114e-05, -1.8607455906754226e-05, -3.5588339151637226e-09], [-4.225487522936952e-05, 14681.855685770905, 6463.686299346576, 1.034191247549784], [-1.860745590780784e-05, 6463.686299346387, 2845.6379918586767, 0.4553493964497232], [-3.558833915273682e-09, 1.0341912475272885, 0.45534939643983546, 7.843736869083437e-05]]}