{"coeffs": [-2.1098198592876463e-06, 8.813606218814377e-05, 0.35413961009563216, 0.12941604085997366], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.578902342800257e-07, 1.913168614729513e-06, 0.005854164754229823, 0.005053044711946992], "covariance": [[4.328195603610272e-13, -8.065250141544847e-13, -1.23770836153573e-09, -2.7489345002060272e-09], [-8.065250141544844e-13, 3.660214148386045e-12, 1.0149395505658869e-08, 8.701031979814088e-09], [-1.237708361535729e-09, 1.0149395505658867e-08, 3.427124496966673e-05, 2.108674402305171e-05], [-2.7489345002060272e-09, 8.70103197981409e-09, 2.1086744023051713e-05, 2.5533260860935464e-05]]}