{"coeffs": [-1.0156014071893431e-07, 0.18375183586749186, 1.2973829856230847, 0.07063141823801708], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.8206830922374984e-08, 169.12130263915748, 65.2004137666879, 0.002922407684081009], "covariance": [[7.956253106834495e-16, -2.0257407903291903e-06, -7.81074515584685e-07, -4.443119051836849e-11], [-2.0257407909027905e-06, 28602.01500636549, 11026.778820579982, 0.47261848490108416], [-7.810745158077834e-07, 11026.778820579584, 4251.093955347305, 0.18221307096263664], [-4.443119052557848e-11, 0.47261848485992786, 0.18221307094679312, 8.540466671975726e-06]]}