{"coeffs": [-1.6056036427048208e-06, 0.0007084396782673272, 0.9994043332463262, 0.1596805377471641], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3585696380227135e-06, 0.0038983336316688187, 1.0815766682014787, 0.05690918479643601], "covariance": [[5.562850737402593e-12, -6.977248460767453e-09, -1.9751965151927795e-06, -1.1673762079567257e-07], [-6.977248460768336e-09, 1.5197005103800202e-05, 0.004213887703758474, 0.0002138008650322707], [-1.9751965151930057e-06, 0.0042138877037584494, 1.1698080891978113, 0.05983608284288575], [-1.1673762079567933e-07, 0.00021380086503225993, 0.05983608284288311, 0.003238655314194903]]}