{"coeffs": [-4.150736325700854e-07, 4.3869974678524e-05, 0.47352968290168973, 0.13790360706351484], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.380426051512394e-08, 6.621412387038458e-07, 0.004231835549470428, 0.002048710645731425], "covariance": [[5.4470688701842824e-15, -3.2809850061519554e-14, -1.875640524417816e-10, -1.2476620669056097e-10], [-3.2809850061519516e-14, 4.3843101999226333e-13, 2.7740699258839203e-09, 1.2636279322216617e-09], [-1.8756405244178138e-10, 2.77406992588392e-09, 1.7908432117761683e-05, 7.882550109511925e-06], [-1.2476620669056097e-10, 1.263627932221662e-09, 7.88255010951193e-06, 4.197215309933272e-06]]}