{"coeffs": [-5.8350774927682186e-06, 0.0001944110289537016, 0.6384531852613992, 0.20478886134917954], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1073351694693358e-06, 1.8304026986776654e-05, 0.033771644599103326, 0.011360034696865423], "covariance": [[1.2261911775436829e-12, -1.7147270599650825e-11, -3.142096893990152e-08, -1.1802545999957563e-08], [-1.7147270599650705e-11, 3.3503740393264805e-10, 6.1754049975674e-07, 2.0102911523554026e-07], [-3.1420968939901246e-08, 6.175404997567399e-07, 0.001140523978928145, 0.0003712984268310014], [-1.1802545999957515e-08, 2.01029115235541e-07, 0.00037129842683100283, 0.0001290503883139863]]}