QR Decomposition
Factor a matrix as Q R via Gram-Schmidt
A = Q · R
Dimensions
3 × 3
✓ Qᵀ Q = I✓ Q R = A
Q — orthonormal columns
0,857143
-0,394286
-0,331429
0,428571
0,902857
0,034286
-0,285714
0,171429
-0,942857
R — upper triangular
14
21
-14
0
175
-70
0
0
35
Diagonal of R (column lengths)
14 · 175 · 35
Reconstruction error: 1e-28 · Orthonormality error: 3e-30