{"coeffs": [7.064475447726895e-07, 1.3024755850621144, 1.661446121308505, 0.1054011645495356], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.481713351430628e-07, 4365.161908250621, 354.76345977996334, 0.01203142641003891], "covariance": [[3.004918126725281e-13, -0.0013757518742303601, -0.0001118192361608905, -4.63581683931533e-09], [-0.0013757518741587002, 19054638.485242203, 1548599.933472121, 50.20622684005645], [-0.00011181923615617744, 1548599.9334721258, 125857.11239504967, 4.0804616610821105], [-4.635816839188682e-09, 50.20622684057613, 4.08046166112217, 0.00014475522146018178]]}