{"coeffs": [-1.4307481784858048e-05, 0.00014451076803260855, 0.46246719458532026, 0.25572036558658945], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2370050660491757e-05, 4.0206157675935054e-05, 0.10049068847836586, 0.08333477742578638], "covariance": [[1.5301815334313255e-10, -4.468920762791692e-10, -9.957762970104172e-07, -9.978844158337694e-07], [-4.468920762791686e-10, 1.6165351150621512e-09, 3.965482870670174e-06, 3.2634250007794126e-06], [-9.957762970104155e-07, 3.965482870670172e-06, 0.010098378470855972, 0.0076963109208001475], [-9.978844158337687e-07, 3.263425000779415e-06, 0.007696310920800159, 0.006944685128605354]]}