m₀ = 8.0000e+03, g = 0.0000e+00, t₀ = 0.0000e+00, t_E = 2.0000e+01, u₀ = 3.0000e-01, d = 1.2000e+00, q = 1.0000e-02, α = 2.7000e+02, &rho = 0.0000e+00, χ² = -nan (108 d.o.f.)