{"coeffs": [-2.759201876855145e-06, 5.257308361662454e-05, 0.4863732670340364, 0.19707263102308709], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.2737572256361176e-07, 1.606205712637928e-06, 0.010254977403032446, 0.0064937328135093635], "covariance": [[1.0717486372404691e-13, -4.3973234708187914e-13, -2.532788703600217e-09, -1.99562648939441e-09], [-4.397323470818798e-13, 2.579896791310714e-12, 1.6283350359463806e-08, 1.0011563002289735e-08], [-2.532788703600223e-09, 1.6283350359463806e-08, 0.00010516456153670609, 6.130107460794668e-05], [-1.9956264893944115e-09, 1.001156300228973e-08, 6.130107460794663e-05, 4.216856585324824e-05]]}