{"coeffs": [-5.584688881562963e-07, 0.38276027523920714, 1.891495105660669, 0.15261541274991328], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.0258890913947527e-07, 98.08985764441269, 39.32068228979513, 0.006717167044161226], "covariance": [[1.6207782976211267e-13, -2.9238215567552487e-05, -1.1723619452791992e-05, -2.307956382642868e-09], [-2.923821556448891e-05, 9621.620172701147, 3856.9598485436177, 0.6349387469344506], [-1.1723619451533551e-05, 3856.9598485438455, 1546.1160557350086, 0.2545508425416439], [-2.3079563825183154e-09, 0.6349387469617007, 0.254550842552572, 4.512033309916566e-05]]}