{"coeffs": [-5.647451094170063e-07, 0.18923284234436005, 2.0735972830720857, 0.16200985344144253], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.8433556477075212e-07, 150.57592918166424, 129.3572955919362, 0.011841353612273576], "covariance": [[3.397960043935215e-14, -2.1218000889643295e-05, -1.8230607287427583e-05, -1.904502030296367e-09], [-2.121800088783689e-05, 22673.11044892156, 19478.094534031865, 1.721390260783473], [-1.8230607285942975e-05, 19478.094534032345, 16733.30992285956, 1.478903299434354], [-1.9045020302109103e-09, 1.7213902608376623, 1.4789032994805176, 0.00014021765537090448]]}