{"coeffs": [-1.4080921277293234e-06, 7.313127726126794e-05, 0.458756086466668, 0.17710466639400776], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.238316148844987e-07, 4.066242656333644e-06, 0.01846394487904417, 0.010115319756255476], "covariance": [[3.891658837294015e-13, -1.983802991909006e-12, -8.173919298471413e-09, -5.720157869622118e-09], [-1.983802991909008e-12, 1.653432934018729e-11, 7.438575229399075e-08, 3.905227894712047e-08], [-8.173919298471423e-09, 7.438575229399078e-08, 0.0003409172604963814, 0.0001717573468439405], [-5.7201578696221195e-09, 3.9052278947120465e-08, 0.00017175734684394037, 0.00010231969377129233]]}