qr
qr(A)
Calculates the Matrix QR decomposition. Matrix `A` is decomposed in two matrices (`Q`, `R`) where `Q` is an orthogonal matrix and `R` is an upper triangular matrix.
Try it yourself:
| $1 | qr([[1, -1, 4], [1, 4, -2], [1, 4, 2], [1, -1, 0]])
|