{"coeffs": [-2.2121692277367938e-06, 0.0022013515108423453, 2.3923312102094862, 0.3673604166115539], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.022629942621423e-07, 0.048756144793445304, 8.499274467626195, 0.06651563416738572], "covariance": [[4.931733131100297e-13, -3.2481484103979555e-08, -5.671658388400303e-06, -4.595123070569249e-08], [-3.2481484103688936e-08, 0.0023771616551194036, 0.41438604680820085, 0.003206050048401434], [-5.6716583883500885e-06, 0.4143860468082621, 72.23766647604253, 0.5593278878514141], [-4.595123070548468e-08, 0.003206050048415099, 0.5593278878537135, 0.0044243295886894915]]}