{"coeffs": [-1.103319674546986e-06, 0.2906689098370142, 1.9273671778294743, 0.15455986400446356], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.860756662151597e-07, 148.84326454386346, 79.95798733332016, 0.012135219616989023], "covariance": [[2.3626955328651136e-13, -5.394187678299231e-05, -2.8984108227103273e-05, -5.058897602337849e-09], [-5.3941876791494115e-05, 22154.31740007452, 11901.207167061955, 1.7412504755617766], [-2.8984108231472537e-05, 11901.20716706106, 6393.279738395387, 0.9354805043297574], [-5.058897602742521e-09, 1.7412504754556701, 0.935480504272884, 0.0001472635551525552]]}