{"coeffs": [-9.964326666755018e-07, 8.409491172487985e-05, 0.49397764322846666, 0.14003326530197965], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2384524397597504e-07, 2.4504260831248367e-06, 0.008159616330871075, 0.0035888083788869368], "covariance": [[5.0106693250663787e-14, -3.722339214573698e-13, -1.144819238037012e-09, -6.651225734312359e-10], [-3.722339214573709e-13, 6.00458798885853e-12, 1.9856836563025352e-08, 8.226687172698063e-09], [-1.1448192380370161e-09, 1.985683656302536e-08, 6.657933866701795e-05, 2.7014985015307475e-05], [-6.651225734312374e-10, 8.226687172698056e-09, 2.7014985015307444e-05, 1.2879545580369082e-05]]}