Table 1 Results for variable L for the cylindrical cantilever beam system using n A , p Γ =20 empirical port modes on each port

${\tilde{\mathit{s}}}^{\mathbf{PR}}\left(\mathit{\mu }\right)$

$\frac{{\mathit{s}}^{\mathit{h}}\left(\mathit{\mu }\right)-{\tilde{\mathit{s}}}^{\mathbf{PR}}\left(\mathit{\mu }\right)}{{\tilde{\mathit{s}}}^{\mathbf{PR}}\left(\mathit{\mu }\right)}$

$\frac{{\mathit{\Delta }}^{\mathit{s};0}(\mu )}{\left|{\mathit{s}}^{\mathit{h}}\right(\mathit{\mu })-{\tilde{\mathit{s}}}^{\mathbf{PR}}(\mathit{\mu }\left)\right|}$

s^EB(μ)

$\frac{{\tilde{\mathit{s}}}^{\mathit{PR}}\left(\mathit{\mu }\right)-{\mathit{s}}^{\mathit{EB}}\left(\mathit{\mu }\right)}{{\tilde{\mathit{s}}}^{\mathbf{PR}}\left(\mathit{\mu }\right)}$