{"coeffs": [-4.3286129933324104e-08, 2.9131172166093166e-05, 0.804895697882431, 0.14665207889433926], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0180479307633195e-08, 7.624862281671613e-06, 0.054093430623141925, 0.005487279242430216], "covariance": [[4.072517450858116e-16, -1.075293080205844e-13, -7.84790483832527e-10, -9.115124583491685e-11], [-1.0752930802058405e-13, 5.8138524814458426e-11, 4.119538129817214e-07, 4.004872765887242e-08], [-7.847904838325269e-10, 4.119538129817213e-07, 0.0029260992365806684, 0.0002878301974923235], [-9.115124583491682e-11, 4.004872765887241e-08, 0.00028783019749232353, 3.011023348440552e-05]]}