{"coeffs": [-7.881564906139616e-07, 5.108848162454552e-05, 0.45643263619656704, 0.12627077787578042], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.621739052116728e-07, 2.0484555667389205e-06, 0.010584785321235505, 0.005550449057014214], "covariance": [[6.873515657393918e-14, -3.3642832285550463e-13, -1.4704300329397747e-09, -1.1514517156525238e-09], [-3.3642832285550423e-13, 4.196170208903672e-12, 2.1339362315749805e-08, 1.0471566598521656e-08], [-1.4704300329397722e-09, 2.13393623157498e-08, 0.00011203768029664261, 5.2108792573686575e-05], [-1.1514517156525221e-09, 1.0471566598521658e-08, 5.21087925736866e-05, 3.080748473450998e-05]]}