{"coeffs": [-6.236187086523996e-08, 0.14380880404692548, 1.1360860824057875, 0.05319882179102316], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.55439893963498e-08, 230.74279692131998, 85.62454154796008, 0.0034710871378486456], "covariance": [[6.52495394280831e-16, -2.0961989507944108e-06, -7.779528754766172e-07, -4.0057438611854697e-11], [-2.0961989515715317e-06, 53242.23833107351, 19757.246086502284, 0.77013377700837], [-7.77952875782475e-07, 19757.246086501593, 7331.562115298342, 0.2857917356855432], [-4.0057438620062875e-11, 0.7701337769369708, 0.2857917356589462, 1.2048445918538303e-05]]}