{"coeffs": [-6.13102492758609e-07, 5.343214033388744e-05, 0.42201233854997117, 0.11319930528402837], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9842062086440697e-07, 1.1005559532677697e-06, 0.005181478876504371, 0.0032441633108194956], "covariance": [[3.937074278421673e-14, -1.2394151856112703e-13, -4.139908308722588e-10, -4.824092051534479e-10], [-1.2394151856112703e-13, 1.211223406273129e-12, 5.494612166753911e-09, 3.2150470950590205e-09], [-4.1399083087225897e-10, 5.49461216675391e-09, 2.684772334766099e-05, 1.3910906682088338e-05], [-4.824092051534479e-10, 3.21504709505902e-09, 1.3910906682088337e-05, 1.0524595587267311e-05]]}