{"coeffs": [-2.1581882549028684e-06, 8.6402329056858e-05, 0.3663860158441467, 0.1458084232681593], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.8814990510569284e-07, 1.2401733484255797e-06, 0.004066602486033546, 0.003366684209016038], "covariance": [[1.5066034883355834e-13, -3.3734093628282457e-13, -7.048026796103966e-10, -1.130765559367554e-09], [-3.3734093628282467e-13, 1.5380299341451146e-12, 4.7200269083401334e-09, 3.8416125208097e-09], [-7.048026796103974e-10, 4.720026908340137e-09, 1.6537255779414218e-05, 1.0646153255207616e-05], [-1.1307655593675541e-09, 3.841612520809699e-09, 1.0646153255207608e-05, 1.1334562563237946e-05]]}