{"coeffs": [-3.5365915214788253e-07, 1.7718291275798124e-05, 0.5394638476442482, 0.177683161069692], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.469007627895184e-08, 8.594621514784328e-07, 0.015984395847729507, 0.006150317602165512], "covariance": [[4.184805968976608e-15, -4.3473779943014705e-14, -7.860495604611997e-10, -3.5835541674495067e-10], [-4.3473779943014724e-14, 7.386751898239367e-13, 1.3703645693954517e-08, 5.045217976203016e-09], [-7.860495604612007e-10, 1.3703645693954517e-08, 0.00025550091061691226, 9.348718739240417e-05], [-3.5835541674495057e-10, 5.0452179762030145e-09, 9.348718739240416e-05, 3.782640660750693e-05]]}