{"coeffs": [3.65936737958438e-08, -0.000506082802434406, 2.139962178723784, 0.09459844551787219], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.887655360785466e-08, 41.52176714725824, 7715.667956725023, 0.813181386598888], "covariance": [[1.511386420424397e-15, -6.332824949313808e-07, 0.00011771626156514734, 1.6266944240057728e-08], [-6.332824949224747e-07, 1724.0571470311338, -320368.153852822, -31.972932755918727], [0.00011771626156574412, -320368.1538528221, 59531532.018433295, 5941.88629581178], [1.6266944240024578e-08, -31.972932755918734, 5941.88629581178, 0.66126396751089]]}