{"coeffs": [-2.115051333668135e-06, 0.0001264693292871368, 0.4978515276441839, 0.1437056988365911], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.725451654016173e-07, 4.70676451442583e-06, 0.010551842338923855, 0.005686313935913894], "covariance": [[4.523169995050888e-13, -2.2710754778255305e-12, -4.483193443538604e-09, -3.300683302638612e-09], [-2.2710754778255333e-12, 2.215363219425822e-11, 4.906055086234547e-08, 2.50745712106324e-08], [-4.483193443538612e-09, 4.9060550862345484e-08, 0.00011134137674550605, 5.422858059622518e-05], [-3.3006833026386144e-09, 2.5074571210632388e-08, 5.422858059622513e-05, 3.2334166177768566e-05]]}