{"coeffs": [-5.911101683170843e-08, 0.3735880441782012, 1.2962081524306543, 0.06132528699600361], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [2.959026321127874e-08, 3441.497283065724, 566.2282158790988, 0.006066217312868746], "covariance": [[8.755836769127561e-16, -3.939095521527264e-05, -6.481212013380741e-06, -8.839237830612717e-11], [-3.939095513064986e-05, 11843903.549348759, 1948672.865430139, 20.009911708549957], [-6.481211999659796e-06, 1948672.865430266, 320614.3924576273, 3.292256103848494], [-8.83923782062011e-11, 20.009911720134678, 3.2922561057524393, 3.679899248694851e-05]]}