{"coeffs": [-3.544786318620083e-07, 5.548577333372794e-05, 0.45478370973506776, 0.12308622687557282], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2734825422869366e-07, 9.845658637578584e-07, 0.004648507121800118, 0.0024594922233016586], "covariance": [[1.621757785509599e-14, -7.686926147784233e-14, -3.031497774779717e-10, -2.443779647921691e-10], [-7.686926147784236e-14, 9.693699400772578e-13, 4.498471925997266e-09, 2.223745237994104e-09], [-3.031497774779717e-10, 4.498471925997266e-09, 2.160861846142642e-05, 1.0088911817544538e-05], [-2.44377964792169e-10, 2.2237452379941033e-09, 1.0088911817544535e-05, 6.049101996481336e-06]]}