{"coeffs": [-4.272129005425219e-06, 7.285536891178486e-05, 0.4944751767542768, 0.21521489506626326], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.628227918432784e-07, 3.6691966610372203e-06, 0.017885884421642174, 0.01138727621182057], "covariance": [[5.818986117555736e-13, -2.408100797888313e-12, -1.0762725468192844e-08, -8.256529819723579e-09], [-2.408100797888309e-12, 1.3463004137366687e-11, 6.499403528301612e-08, 4.0342740162855394e-08], [-1.0762725468192818e-08, 6.499403528301609e-08, 0.00031990486154434225, 0.00018952641644963492], [-8.256529819723576e-09, 4.034274016285543e-08, 0.0001895264164496352, 0.00012967005952429464]]}