{"coeffs": [-6.036192976513664e-07, 0.26344479406707066, 2.204657360772045, 0.1960582230102829], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [8.859066616698054e-07, 94.59114242220386, 70.83877239104753, 0.01687736741142698], "covariance": [[7.848306131909389e-13, -6.963657505066308e-05, -5.216373896584073e-05, -1.3764961319436563e-08], [-6.96365750432949e-05, 8947.484224737655, 6700.719721777531, 1.550975282227572], [-5.216373896035861e-05, 6700.719721778093, 5018.131673870637, 1.1616446294190441], [-1.3764961318663862e-08, 1.550975282297802, 1.161644629471525, 0.00028484553074029746]]}