{"coeffs": [4.989292026735623e-07, 1.3447048343197263, 1.8659863067777136, 0.12729340946989368], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.111828118845777e-07, 4474.084404203425, 425.39516194235273, 0.01625580113218114], "covariance": [[6.580175542969701e-13, -0.002397643800284332, -0.00022798665662786797, -1.0349386380467822e-08], [-0.0023976438019230237, 20017431.255936317, 1903253.8488694348, 69.7489324014537], [-0.00022798665678639264, 1903253.848869264, 180961.04380396052, 6.631924795454539], [-1.0349386384173943e-08, 69.7489323840116, 6.631924793794043, 0.0002642510704490217]]}