{"coeffs": [-3.0814895141016e-06, 0.00010637477582906566, 0.39482639921984447, 0.1413578695238156], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.544436510397913e-07, 3.5587691473998933e-06, 0.009411927553329084, 0.006715110001415137], "covariance": [[7.300739528022085e-13, -2.0834993727815567e-12, -4.006810517406469e-09, -4.872869732426073e-09], [-2.083499372781554e-12, 1.2664837844485362e-11, 3.216736890968783e-08, 2.2014649551490026e-08], [-4.006810517406462e-09, 3.216736890968782e-08, 8.858438026911522e-05, 5.228617675430309e-05], [-4.8728697324260705e-09, 2.201464955149004e-08, 5.228617675430315e-05, 4.50927023311056e-05]]}