{"coeffs": [-2.0591842579127382e-06, 0.3299886384727818, 2.0205567780052855, 0.18481683061317405], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.6880958223285556e-06, 112.98533752256316, 63.86489051521613, 0.02465838151606422], "covariance": [[7.225859150020234e-12, -0.00024667394123676435, -0.00013949090816589988, -6.017153314872131e-08], [-0.0002466739412358706, 12765.686495087519, 7215.794383450993, 2.7013448867215692], [-0.00013949090816521911, 7215.794383451022, 4078.7242405205434, 1.5272069958427494], [-6.01715331485493e-08, 2.7013448867255114, 1.5272069958451282, 0.0006080357789917775]]}