{"coeffs": [3.519585906007616e-07, 0.26617117766968657, 1.620891249416321, 0.12239094447470696], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.265655805158059e-07, 143.0828827376017, 66.32431961164721, 0.012607185574449132], "covariance": [[3.925844266871089e-13, -5.762513108643057e-05, -2.6721011890087118e-05, -6.069950183516732e-09], [-5.7625131088447394e-05, 20472.71133250228, 9489.873894662902, 1.7285068559263126], [-2.6721011891069052e-05, 9489.87389466272, 4398.915371947932, 0.8013350467145798], [-6.069950183602647e-09, 1.728506855904244, 0.8013350467043514, 0.00015894112810859828]]}