{"coeffs": [-8.696878644527171e-07, 5.265160763691104e-05, 0.3643313320599201, 0.1473843575052626], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9067780668289023e-07, 9.09694593783942e-07, 0.004952467816196211, 0.004152044811107037], "covariance": [[8.44935872979757e-14, -1.866684774394447e-13, -6.444181799595559e-10, -1.0488524799668047e-09], [-1.866684774394443e-13, 8.275442539597313e-13, 4.209245554039001e-09, 3.479266083242477e-09], [-6.444181799595531e-10, 4.209245554038997e-09, 2.4526937470459265e-05, 1.5942301228929727e-05], [-1.0488524799668036e-09, 3.47926608324248e-09, 1.594230122892976e-05, 1.7239476113440874e-05]]}