{"coeffs": [-4.806260277308242e-06, 0.00012069734309894758, 0.7782263430351791, 0.2719020256257719], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1947687055434416e-06, 3.0011140680224127e-05, 0.11038287269068889, 0.02956614198474251], "covariance": [[1.4274722597459509e-12, -3.259153769593687e-11, -1.2044682406374224e-07, -3.422116145985775e-08], [-3.2591537695936856e-11, 9.006685649282035e-10, 3.31143006941268e-06, 8.691389106580833e-07], [-1.2044682406374226e-07, 3.31143006941268e-06, 0.01218437858344883, 0.00320781740437647], [-3.422116145985778e-08, 8.691389106580833e-07, 0.00320781740437647, 0.0008741567518619537]]}