{"coeffs": [-4.510518843581539e-08, 0.3119741290885627, 1.7843590760029502, 0.1415688891184059], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.33356959432298e-07, 135.8033321848544, 62.066686111540214, 0.01158978219815183], "covariance": [[4.0114103806132554e-13, -6.0930988758806365e-05, -2.7856078534101276e-05, -6.0695179398985904e-09], [-6.0930988768794415e-05, 18442.545032509912, 8428.862036969402, 1.513464810339145], [-2.785607853872731e-05, 8428.862036968594, 3852.2735248684585, 0.691787667072632], [-6.069517940386277e-09, 1.5134648102414014, 0.6917876670280553, 0.00013432305140059704]]}