{"coeffs": [-4.470450521974888e-06, 0.00011709132466546406, 0.3797853498089551, 0.14303074981374583], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.6271394038681155e-06, 5.8900605253281384e-06, 0.014037760793956338, 0.010821643074879182], "covariance": [[2.6475826396202867e-12, -6.625578695938457e-12, -1.0747504381880617e-08, -1.5079901544892147e-08], [-6.625578695938471e-12, 3.4692812992028784e-11, 7.843805612124511e-08, 5.8639950583793416e-08], [-1.0747504381880647e-08, 7.843805612124514e-08, 0.00019705872810833766, 0.00012187431206702613], [-1.5079901544892164e-08, 5.863995058379336e-08, 0.000121874312067026, 0.00011710795884008055]]}