{"coeffs": [1.0972912018181506e-08, 0.010210714768856618, 1.2712867871701856, 0.0849858895221955], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.0597833092892836e-08, 8.501604067043711, 70.71440554435188, 0.014027899862910358], "covariance": [[9.362273899805279e-16, -1.2090294025291308e-07, -1.006124231009224e-06, -2.518887673165236e-10], [-1.2090294025303775e-07, 72.27727171277417, 601.1858071725475, 0.11381528938574062], [-1.006124231019044e-06, 601.1858071725476, 5000.527151491064, 0.9468329023994504], [-2.5188876731785673e-10, 0.11381528938574065, 0.9468329023994504, 0.00019678197456384045]]}