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Table 1 Error analysis for Example 4.1

From: On nonlinear matrix equations \(X\pm\sum_{i=1}^{m}A_{i}^{*}X^{-n_{i}}A_{i}=I\)

s

\(\boldsymbol{\epsilon(X_{s})}\)

\(\boldsymbol{R_{1}(X_{s})}\)

\(\boldsymbol{\lambda}_{\mathbf{min}}\boldsymbol{(Y_{s})}\)

\(\boldsymbol{\lambda}_{\mathbf{min}}\boldsymbol{(Z_{1,s})}\)

\(\boldsymbol{\lambda}_{\mathbf{min}}\boldsymbol{(Z_{2,s})}\)

\(\boldsymbol{\lambda}_{\mathbf{min}}\boldsymbol{(Z_{3,s})}\)

0

3.90209 × 10−2

3.33430 × 10−2

−3.82258 × 10−2

0.989301

0.980411

0.985409

1

5.67787 × 10−3

4.70245 × 10−3

1.11022 × 10−16

0.849272

0.807341

0.879195

2

9.75412 × 10−4

8.02922 × 10−4

4.48982 × 10−4

0.829614

0.783528

0.863646

3

1.72490 × 10−4

1.41756 × 10−4

4.83255 × 10−4

0.826170

0.779373

0.860915

4

3.07337 × 10−5

2.52483 × 10−5

4.87548 × 10−4

0.825560

0.778638

0.860431

5

5.48539 × 10−6

4.50591 × 10−6

4.88236 × 10−4

0.825451

0.778506

0.860345

6

9.79481 × 10−7

8.04563 × 10−7

4.88356 × 10−4

0.825431

0.778483

0.860329

7

1.74918 × 10−7

1.43680 × 10−7

4.88377 × 10−4

0.825428

0.778479

0.860327

8

3.12382 × 10−8

2.56594 × 10−8

4.88381 × 10−4

0.825427

0.778478

0.860326