{"coeffs": [-2.2552124880688925e-07, 6.871581608180762e-05, 0.5315717392140691, 0.12555336752675283], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.930074597247587e-07, 8.785481367509668e-06, 0.032053628849803846, 0.01160222880728896], "covariance": [[2.4305635534425954e-13, -2.700286238771338e-12, -9.40216202198004e-09, -4.435197744139566e-09], [-2.7002862387713393e-12, 7.718468285885955e-11, 2.803058494604544e-07, 9.516876703270964e-08], [-9.402162021980033e-09, 2.803058494604544e-07, 0.0010274351224409774, 0.0003473009893491336], [-4.435197744139566e-09, 9.516876703270963e-08, 0.0003473009893491335, 0.00013461171329668583]]}