{"coeffs": [-8.536295966862524e-07, 0.20848333584053466, 2.2874173298047755, 0.19278222867103578], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.102434215614295e-07, 171.16029867454026, 160.03182868497493, 0.021636593356103243], "covariance": [[2.603483492467147e-13, -7.211630106865626e-05, -6.743817293877506e-05, -1.0124939258892279e-08], [-7.21163010568519e-05, 29295.847842357827, 27391.094539495494, 3.5957962150710303], [-6.743817292789656e-05, 27391.094539497626, 25610.186192257166, 3.3622350098209584], [-1.0124939258037872e-08, 3.595796215319262, 3.36223501005228, 0.00046814217205737096]]}