{"coeffs": [-6.354653862848249e-06, 0.03297975739827908, 2.972496804293703, 0.3671406891626782], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.17607043138705e-06, 3.5534467864839496, 40.18556295806859, 0.06698256164582458], "covariance": [[4.735282522357021e-12, -7.334937903926828e-06, -8.299019924542545e-05, -1.4338039951810006e-07], [-7.33493790322012e-06, 12.62698406437311, 142.79709361308645, 0.23530322128858172], [-8.299019923750136e-05, 142.79709361315156, 1614.879470256894, 2.6616344329611987], [-1.4338039951117316e-07, 0.23530322129931033, 2.661634433081314, 0.004486663564636691]]}