{"coeffs": [-5.047044714708882e-06, 0.22928503637998973, 1.9919811493932658, 0.18995009222887707], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.6515128971704696e-06, 52.857454469111026, 44.21700585809775, 0.024554134319669324], "covariance": [[7.030520643861337e-12, -0.00011507878546926126, -9.632050392728232e-05, -5.9502725564509914e-08], [-0.00011507878546790462, 2793.9104929541454, 2337.1972969280077, 1.259568042841215], [-9.632050392612918e-05, 2337.19729692805, 1955.143607055051, 1.053920781176196], [-5.9502725564179836e-08, 1.2595680428471903, 1.0539207811811764, 0.0006029055121883629]]}