{"coeffs": [-2.3106878695731754e-06, 5.79574456417954e-05, 0.5324786246524059, 0.20106945598474146], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4511595763476015e-07, 1.7193012419498942e-06, 0.01048575765449684, 0.0053978814534133375], "covariance": [[6.008183268720553e-14, -3.546920493159393e-13, -2.046668644832744e-09, -1.2431109733477085e-09], [-3.546920493159386e-13, 2.9559967605704486e-12, 1.794345472951208e-08, 8.935379127521307e-09], [-2.046668644832741e-09, 1.7943454729512075e-08, 0.00010995111358883908, 5.344212538957479e-05], [-1.2431109733477085e-09, 8.935379127521315e-09, 5.344212538957483e-05, 2.913712418510368e-05]]}