{"coeffs": [-5.095149016987281e-08, 0.3720282454596789, 1.450303871324936, 0.08765376088525573], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.389032097182108e-07, 3835.201876542259, 906.6131937650729, 0.045691046475348496], "covariance": [[8.815392372191586e-13, -0.0017935439152499445, -0.00042403851022634, -2.6710136558400805e-08], [-0.001793543915447505, 14708773.433833266, 3477044.586562623, 167.33828748978613], [-0.00042403851027903014, 3477044.586562585, 821947.4831089056, 39.55927988756625], [-2.671013655988793e-08, 167.33828748570565, 39.559279886595974, 0.002087671728012456]]}