{"coeffs": [-1.6550856093932524e-06, 1.3601410658795518e-05, 0.5062238028517678, 0.13093297783811944], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3178483890914715e-06, 1.7168722676866858e-05, 0.29998861416705874, 0.12348474057392804], "covariance": [[1.7367243766309863e-12, -1.4594106962666283e-11, -2.3733309931421152e-07, -1.298874432590682e-07], [-1.45941069626663e-11, 2.947650383551623e-10, 5.117913900828958e-06, 1.977041210654309e-06], [-2.373330993142117e-07, 5.117913900828959e-06, 0.08999316862987243, 0.03425050233982349], [-1.2988744325906817e-07, 1.9770412106543085e-06, 0.03425050233982347, 0.015248481154610308]]}