{"coeffs": [-3.839166319743516e-06, 0.296189291755366, 2.234678557726548, 0.20632649171387268], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.6520679821681643e-06, 98.30031893378722, 69.00000036775032, 0.02168452088472653], "covariance": [[2.7293286177051904e-12, -0.00013738750927646062, -9.64656008882289e-05, -3.333080410660141e-08], [-0.00013738750928623159, 9662.952702484288, 6782.7209799129905, 2.0743973690655606], [-9.646560089490154e-05, 6782.720979912503, 4761.000050749544, 1.4562752556814083], [-3.3330804107775466e-08, 2.0743973690025252, 1.4562752556372898, 0.00047021844600014106]]}