QR factorization
[Orthogonal factorizations]

Factor $ A = QR $. More...

Modules

 QR factorization: computational
 

Major computational phase of least squares and SVD problems.


 double-complex precision
 QR factorization: auxiliary
 

Low-level functions.


 QR with pivoting
 

Slower but more stable QR, especially for rank-deficient matrices.


 QR with pivoting: auxiliary
 

Low-level functions.


 Tiled QR factorization
 

Functions for tiled algorithms.



Detailed Description

Factor $ A = QR $.


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