{"coeffs": [-9.65378330292266e-07, 6.607216586831407e-05, 0.4092687653840316, 0.13182305400055006], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7785496884238948e-07, 8.616397851527371e-07, 0.0035866743615774765, 0.002370678976997615], "covariance": [[3.1632389941927334e-14, -9.953845395704086e-14, -3.075360481383015e-10, -3.45720197075251e-10], [-9.953845395704086e-14, 7.424231193580551e-13, 2.984806075832491e-09, 1.870481850799654e-09], [-3.0753604813830134e-10, 2.9848060758324904e-09, 1.2864232975997199e-05, 7.117925085089689e-06], [-3.457201970752511e-10, 1.870481850799654e-09, 7.117925085089691e-06, 5.620118811978458e-06]]}