{"coeffs": [-4.315339151850055e-06, 7.692555335267978e-05, 0.49240003157490275, 0.2040514815111451], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.273757480760112e-07, 3.127557890454123e-06, 0.013970579775442844, 0.008736670863075478], "covariance": [[3.936003292739347e-13, -1.660245509461924e-12, -6.759823783853571e-09, -5.171768118291357e-09], [-1.6602455094619257e-12, 9.781618358141845e-12, 4.325316687891431e-08, 2.6293924785203505e-08], [-6.759823783853579e-09, 4.325316687891432e-08, 0.0001951770992620126, 0.00011306860167103718], [-5.171768118291357e-09, 2.629392478520349e-08, 0.0001130686016710371, 7.6329417769712e-05]]}