{"coeffs": [-7.186913461130629e-07, 5.2481448013789656e-05, 0.42456582862380027, 0.12464052455155684], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.3139526139623585e-07, 1.8807259744056867e-06, 0.009518523100744424, 0.0058374540704034745], "covariance": [[1.0982281927587949e-13, -3.8632647578904646e-13, -1.4934453878284612e-09, -1.5337712456291919e-09], [-3.863264757890469e-13, 3.5371301908042194e-12, 1.738733092961084e-08, 1.0019970277107916e-08], [-1.4934453878284633e-09, 1.738733092961084e-08, 9.060228201940524e-05, 4.718704654167962e-05], [-1.533771245629192e-09, 1.001997027710791e-08, 4.718704654167959e-05, 3.4075870024070096e-05]]}