{"coeffs": [-3.907077309712047e-06, 0.06634301689703305, 2.804351577117567, 0.3026093498938872], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.294061567468483e-06, 13.615152526680363, 62.68452666881763, 0.042718225992885654], "covariance": [[1.674595340398987e-12, -1.6302717338920988e-05, -7.508214012097717e-05, -5.383736121688138e-08], [-1.6302717337156737e-05, 185.37237832477066, 853.4590923638317, 0.572504744570569], [-7.508214011286782e-05, 853.459092364031, 3929.349883693709, 2.636221320432972], [-5.383736121398649e-08, 0.5725047445992094, 2.6362213205642013, 0.0018248468319792517]]}