{"coeffs": [2.9246972128259467e-07, 1.7195082427906518, 2.3100382421511387, 0.17674959177723581], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.1549203092322177e-06, 5100.497845521046, 526.4557551639705, 0.027539733408354614], "covariance": [[4.643681539141476e-12, -0.008756684056151383, -0.000903904258654691, -5.3220960496126644e-08], [-0.008756684055564321, 26015078.272164825, 2685186.424037512, 135.98950882194757], [-0.0009039042585963154, 2685186.424037552, 277155.6621452665, 14.036819984689608], [-5.3220960494563054e-08, 135.98950882617874, 14.036819985122113, 0.0007584369162032433]]}