{"coeffs": [-9.287942228205202e-07, 0.2346749246547436, 1.801553770280128, 0.1456659599210034], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.8883287894418857e-07, 31.40573537808462, 19.58378042032047, 0.004111511548882243], "covariance": [[3.565785617035058e-14, -4.274339764134336e-06, -2.6662461416242806e-06, -6.500571889951159e-10], [-4.2743397643547735e-06, 986.3202146382761, 615.042959242568, 0.12426255934057112], [-2.6662461417601354e-06, 615.0429592425477, 383.52445555132743, 0.07749696844198271], [-6.500571890112335e-10, 0.12426255933806651, 0.07749696844042339, 1.6904527216592055e-05]]}