{"coeffs": [-1.0246908543991452e-06, 4.8338498112233024e-05, 0.4258434052044292, 0.13515060898562542], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.7818613952822494e-07, 1.5712065258724282e-06, 0.009002375758856058, 0.005488588461256716], "covariance": [[7.738752822561705e-14, -2.8940806694692996e-13, -1.3224458565601451e-09, -1.26149413862033e-09], [-2.8940806694692996e-13, 2.4686899469441053e-12, 1.3801692330730898e-08, 7.949290343981788e-09], [-1.3224458565601443e-09, 1.38016923307309e-08, 8.104276930363917e-05, 4.26717362859194e-05], [-1.2614941386203291e-09, 7.949290343981788e-09, 4.2671736285919405e-05, 3.012460329704036e-05]]}