广告
QR factorization decomposes a matrix A into a product Q * R, where Q is an orthogonal matrix and R is an upper triangular matrix.
| 1 | 2 | 3 |
| 4 | 5 | 6 |
| 7 | 8 | 9 |
| -0.1231 | 0.9045 | -0.4082 |
| -0.4924 | 0.3015 | 0.8165 |
| -0.8616 | -0.3015 | -0.4082 |
| -8.124 | -9.6011 | -11.0782 |
| 0 | 0.9045 | 1.8091 |
| 0 | 0 | 0 |
