{"coeffs": [-6.325682906106358e-07, 7.547039193817506e-05, 0.4745130393456296, 0.13335370061840657], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1016747153549792e-07, 1.0158935728942483e-06, 0.0036851951482863112, 0.001771147074238605], "covariance": [[1.2136871784524743e-14, -7.325110652970522e-14, -2.3656081106122924e-10, -1.5829516760300517e-10], [-7.325110652970521e-14, 1.0320397514478413e-12, 3.7048039492582765e-09, 1.6714957104025516e-09], [-2.365608110612295e-10, 3.7048039492582765e-09, 1.3580663280952969e-05, 5.920063406427562e-06], [-1.582951676030052e-10, 1.6714957104025512e-09, 5.920063406427559e-06, 3.1369619585839713e-06]]}