{"coeffs": [-6.691293773808286e-07, 0.29780231663538614, 1.5351289544420346, 0.08982383540591878], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [2.386536881086784e-07, 3994.450343473412, 1209.7867356500274, 0.02987367234311869], "covariance": [[5.695558284787437e-14, -0.0004838283767869368, -0.00014654608988455157, -4.51246005345304e-09], [-0.00048382837648763594, 15955633.54647486, 4832433.028072618, 113.94962726655939], [-0.0001465460897940446, 4832433.028072847, 1463583.9457547492, 34.512374952128525], [-4.51246005212651e-09, 113.94962728891942, 34.51237495888721, 0.0008924362992640145]]}