{"coeffs": [-9.44431818272331e-07, 5.166807092818009e-05, 0.4364651231444744, 0.12345593769032845], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.959568864103236e-07, 1.8955950301252187e-06, 0.009601624282189036, 0.005556573522485876], "covariance": [[8.759047861369318e-14, -3.4488098720309285e-13, -1.384810073125184e-09, -1.2922230421514844e-09], [-3.4488098720309296e-13, 3.5932805182354285e-12, 1.7770954408316857e-08, 9.632222719734263e-09], [-1.3848100731251839e-09, 1.7770954408316854e-08, 9.219118885632213e-05, 4.6042746419895616e-05], [-1.2922230421514842e-09, 9.63222271973426e-09, 4.604274641989562e-05, 3.08755093107911e-05]]}