{"coeffs": [-1.262082251070499e-06, 3.151374623468106e-05, 0.408066469383472, 0.1747489970692481], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.83460057014678e-08, 4.192273265266705e-07, 0.004186849797359706, 0.002920822953246914], "covariance": [[9.671936837433138e-15, -3.206994106034272e-14, -2.646171439601577e-10, -2.6090065307800063e-10], [-3.20699410603427e-14, 1.7575155130669962e-13, 1.7132527227532762e-09, 1.15666052182141e-09], [-2.6461714396015757e-10, 1.7132527227532762e-09, 1.7529711225651013e-05, 1.0724697588166869e-05], [-2.609006530780007e-10, 1.1566605218214106e-09, 1.0724697588166874e-05, 8.531206724214024e-06]]}