Table 3 Backward error analysis results
Problem | \(\boldsymbol {\frac{ \Vert E-\tilde{Q} \tilde{R} \Vert _{F}}{ \Vert E \Vert _{F}}}\) | \(\boldsymbol {\Vert I-\tilde{Q}^{T} \tilde{Q} \Vert _{F}}\) |
|---|---|---|
1. | 4.4202e−16 | 1.3174e−15 |
2. | 4.7858e−16 | 9.0854e−15 |
3. | 1.0450e−15 | 4.9428e−14 |
4. | 9.0230e−16 | 3.8711e−14 |
5. | 9.9304e−16 | 6.4026e−14 |