{"coeffs": [-7.184063205923904e-08, 5.734826677448609e-05, 0.6466787817645936, 0.11775339148484809], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.0649646468474005e-08, 4.319557099126792e-06, 0.015095709825602143, 0.002931623880807026], "covariance": [[2.565386687381401e-15, -1.2986066858806084e-13, -4.6366233912627896e-10, -1.0895900391914246e-10], [-1.2986066858806026e-13, 1.8658573532616666e-11, 6.507153074184456e-08, 1.196206873606923e-08], [-4.6366233912627607e-10, 6.507153074184458e-08, 0.0002278804551387811, 4.246680616612467e-05], [-1.0895900391914211e-10, 1.1962068736069242e-08, 4.246680616612472e-05, 8.594418578518048e-06]]}