{"coeffs": [-1.5236065574776001e-07, 3.985112894478199e-05, 0.541042202228931, 0.1327660700138908], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.197152345393513e-08, 1.173849877618465e-06, 0.007667158164723098, 0.0026716159085781667], "covariance": [[3.840469719201632e-15, -4.741019328583875e-14, -2.991247944532186e-10, -1.322962566026773e-10], [-4.741019328583868e-14, 1.3779235351848853e-12, 8.966302788329581e-09, 2.9416807543003126e-09], [-2.9912479445321816e-10, 8.96630278832958e-09, 5.878531432288007e-05, 1.9250451612180117e-05], [-1.3229625660267731e-10, 2.9416807543003126e-09, 1.9250451612180124e-05, 7.137531562967943e-06]]}