{"coeffs": [-2.9545466557405074e-07, 5.315908601014601e-06, 0.46407905173399566, 0.0010744296397315715], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.444335280318055e-07, 1.2901015886421998e-06, 103271.17812032826, 36623.23547789356], "covariance": [[5.54181277657881e-13, -3.8751450111387853e-22, 0.021181891120603875, -0.007511770417062909], [-2.6472360536112476e-22, 1.6643621090171276e-12, 8.0986608824338e-09, 1.0391683285353971e-10], [0.021181891121479855, 8.042197710735661e-09, 10664936230.360565, -3782124674.3802304], [-0.007511770417294622, 1.0651917497663129e-10, -3782124674.38023, 1341261376.869242]]}