Algorithm 3.3.1 QR decomposition (use Householder transformations)
A= [[ 4. -2. 4.] [ -2. 10. -2.] [ 4. -2. 8.] [ 2. -7. 4.]] [[ 6.70439962 -8.38049953 10.05659943] [ 1.01717424 11.54442152 -2.75229932] [ -2.03434848 -1.3685473 5.25993787] [ -1.01717424 0.06355554 2.22714633]] d= [ 0.32956004 0.69566663 0.18510126] A= [[ 4. -2. 4.] [ -2. 10. -2.] [ 4. -2. 8.] [ 2. -7. 4.]] [[ 6.70439962 -8.38049953 10.05659943] [ 1.01717424 11.54442152 -2.75229932] [ -2.03434848 -1.3685473 5.25993787] [ -1.01717424 0.06355554 2.22714633]] d= [ 0.32956004 0.69566663 0.18510126] |
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