{"coeffs": [-5.209809564382188e-07, 0.0030633677304383535, 1.7915240098587697, 0.18797533557135626], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6397950167765774e-06, 11.864307523423248, 734.3944526587806, 0.872249451065417], "covariance": [[6.9685177305984515e-12, -2.5025790456408338e-05, -0.001550869976367595, -2.0691491443869655e-06], [-2.5025790456405512e-05, 140.76179301035748, 8713.06586329287, 10.019920988780346], [-0.001550869976367988, 8713.065863292872, 539335.2120959898, 620.530932450403], [-2.0691491443882094e-06, 10.019920988780349, 620.530932450403, 0.7608191048839211]]}