{"coeffs": [-1.308753747435455e-07, 0.2425488997588032, 1.8118659971811797, 0.14707260784316464], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.248447802828451e-07, 116.63395204422376, 71.28257598999627, 0.015164998113457515], "covariance": [[5.25399955503286e-13, -6.127470281157356e-05, -3.746135441667322e-05, -9.24097754994714e-09], [-6.127470280794007e-05, 13603.478769454288, 8313.967637563612, 1.7025821961707677], [-3.746135441433271e-05, 8313.96763756394, 5081.205639769593, 1.040695366166633], [-9.240977549650677e-09, 1.70258219621137, 1.0406953661913971, 0.00022997716778116998]]}