{"coeffs": [-3.044389130481419e-06, 7.229951658862057e-05, 0.48865089963247005, 0.1853449152070388], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.063154880516276e-07, 7.31217885939806e-06, 0.03407391509370143, 0.016588107885992267], "covariance": [[8.2140776388226e-13, -5.290086692457277e-12, -2.316768999694251e-08, -1.374854271602833e-08], [-5.2900866924572545e-12, 5.3467959671827914e-11, 2.4785288466837524e-07, 1.1576147391317004e-07], [-2.3167689996942416e-08, 2.478528846683752e-07, 0.001161031689812774, 0.0005295608978550955], [-1.3748542716028298e-08, 1.157614739131702e-07, 0.0005295608978550965, 0.00027516532323731887]]}