{"coeffs": [2.7130255920360615e-07, 1.0543987435402418, 1.8838454665889572, 0.12738012708319457], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.172345848414312e-07, 3003.499037610927, 364.2122999017346, 0.01217823555057849], "covariance": [[1.7408469878780146e-13, -0.000827869910522386, -0.0001003971882643659, -3.988775432427463e-09], [-0.0008278699101238053, 9021006.468929766, 1093911.2873468194, 35.074752137621076], [-0.00010039718821472139, 1093911.287346882, 132650.59939971103, 4.253376834722738], [-3.988775431433421e-09, 35.07475214392504, 4.2533768354896795, 0.00014830942112537378]]}