{"coeffs": [-1.9324070800901507e-06, 0.000853585731217472, 1.3647790017481614, 0.23202398205402774], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.57194149377975e-07, 0.0028390727565594793, 0.8767807395102599, 0.02542303371019067], "covariance": [[3.104653201010451e-13, -1.386155777463604e-09, -4.3190358409422307e-07, -1.3443836065962198e-08], [-1.3861557774644206e-09, 8.06033411703824e-06, 0.002488781248430802, 7.049130986384388e-05], [-4.319035840944651e-07, 0.002488781248430745, 0.7687444651761582, 0.021857388760106792], [-1.3443836065966175e-08, 7.049130986382529e-05, 0.021857388760101557, 0.0006463306430294913]]}