LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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Topics
QR
LAPACK » Orthogonal/unitary factors (QR, CS, etc.)
Collaboration diagram for QR:

Topics

 — flexible —
 
 geqr: QR factor, flexible
 
 gemqr: multiply by Q from geqr
 
 — classic —
 
 geqrf: QR factor
 
 geqr2: QR factor, level 2
 
 {un,or}gqr: generate explicit Q from geqrf
 
 {un,or}g2r: generate explicit Q from geqrf, level 2
 
 {un,or}mqr: multiply by Q from geqrf
 
 {un,or}m2r: multiply by Q from geqrf, level 2
 
 — with T —
 
 geqrt: QR factor, with T
 
 geqrt2: QR factor, with T, level 2
 
 geqrt3: QR factor, with T, recursive panel
 
 gemqrt: multiply by Q from geqrt
 
 — positive —
 
 geqrfp: QR factor, diag( R ) ≥ 0
 
 geqr2p: QR factor, diag( R ) ≥ 0, level 2
 

Detailed Description