Table 5 Properties of regularized stochastic Galerkin system in band-pass filter example
From: Stability-preserving model order reduction for linear stochastic Galerkin systems
Dimension | 6900 |
Number of outputs | 300 |
# non-zeros in \(\hat{E}_{\mathrm{reg}}\) | 21,912 |
# non-zeros in \(\hat{A}_{\mathrm{reg}}\) | 21,912 |
Spectral abscissa of \((\hat{E}_{\mathrm{reg}},\hat{A}_{\mathrm{reg}})\) | −4.94⋅10−4 |
Spectral abscissa of \((\hat{E}_{\mathrm{reg}}^{\top }\hat{A}_{\mathrm{reg}}) + (\hat{E}_{\mathrm{reg}}^{\top }\hat{A}_{\mathrm{reg}})^{\top }\) | 1.28⋅10−5 |