Issue link: https://resources.randsim.com/i/1492512
• Expand system of equations back to FEA model – Step 1 → Expand y i → x i = Qy i at each frequency value (ω i ) – Step 2 → Compute residual R i where R i = F i – A i x i where A i = K - ω i 2 M + iω i C – Step 3 → Normalize residual R i where R i = |R i | / |F i | KRYLOV Method