{"coeffs": [-3.404339445112827e-06, 8.514265906339917e-05, 0.5110300295352779, 0.19654029422215513], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.516594266870073e-07, 6.838332039744794e-06, 0.028360562545838717, 0.012876790909392954], "covariance": [[5.649918937274404e-13, -4.204007468493819e-12, -1.66946839434032e-08, -8.95500955802406e-09], [-4.204007468493833e-12, 4.676278508580019e-11, 1.932742641276031e-07, 8.44473628042884e-08], [-1.6694683943403267e-08, 1.9327426412760312e-07, 0.0008043215079164299, 0.0003459793010596892], [-8.955009558024071e-09, 8.444736280428824e-08, 0.00034597930105968847, 0.00016581174412422502]]}