{"coeffs": [-4.00073753406651e-06, 0.00011484835793227785, 0.4957895115331481, 0.200189087720171], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0029679978831418e-06, 7.872440742917298e-06, 0.02464625814018484, 0.012039390988633882], "covariance": [[1.005944804777718e-12, -6.506203686712441e-12, -1.9313113162572256e-08, -1.1224048606293326e-08], [-6.506203686712431e-12, 6.197532325074426e-11, 1.9317742322685232e-07, 9.094258909496825e-08], [-1.9313113162572223e-08, 1.9317742322685227e-07, 0.0006074380403126274, 0.000279922367143163], [-1.1224048606293312e-08, 9.094258909496829e-08, 0.00027992236714316314, 0.0001449469353771987]]}