{"coeffs": [-6.944921253023388e-06, 0.005148930858090451, 4.3481054163035555, 0.6839675899716378], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.675826228139657e-06, 0.6088052678506843, 83.7258080575769, 0.45956898766076076], "covariance": [[2.186335091575873e-11, -2.8034507855311723e-06, -0.0003856960366214859, -2.1400954287937283e-06], [-2.8034507861553347e-06, 0.37064385416274354, 50.97258005148098, 0.2787612394375271], [-0.000385696036706191, 50.97258005133188, 7010.01093489421, 38.34399633722139], [-2.140095429031054e-06, 0.27876123940687014, 38.34399633311745, 0.21120365441953648]]}