GAMS Classification Index
NAG C Library Manual

D5: QR decomposition, Gram--Schmidt orthogonalization

f01qcc   nag_real_qr
QR factorization of real m by n matrix (m ≥ n)
f01qec   nag_real_form_q
Form columns of Q after factorization by f01qcc
f01rcc   nag_complex_qr
QR factorization of complex m by n matrix (m≥ n)
f01rdc   nag_complex_apply_q
Compute QB or QH B after factorization by f01rcc
f01rec   nag_complex_form_q
Form columns of Q after factorization by f01rcc
f08aec   nag_dgeqrf
QR factorization of real general rectangular matrix
f08afc   nag_dorgqr
Form all or part of orthogonal Q from QR factorization determined by f08aec or f08bec
f08agc   nag_dormqr
Apply orthogonal transformation determined by f08aec or f08bec
f08ahc   nag_dgelqf
LQ factorization of real general rectangular matrix
f08ajc   nag_dorglq
Form all or part of orthogonal Q from LQ factorization determined by f08ahc
f08akc   nag_dormlq
Apply orthogonal transformation determined by f08ahc
f08asc   nag_zgeqrf
QR factorization of complex general rectangular matrix
f08atc   nag_zungqr
Form all or part of unitary Q from QR factorization determined by f08asc or f08bsc
f08auc   nag_zunmqr
Apply unitary transformation determined by f08asc or f08bsc
f08avc   nag_zgelqf
LQ factorization of complex general rectangular matrix
f08awc   nag_zunglq
Form all or part of unitary Q from LQ factorization determined by f08avc
f08axc   nag_zunmlq
Apply unitary transformation determined by f08avc
f08bec   nag_dgeqpf
QR factorization of real general rectangular matrix with column pivoting
f08bsc   nag_zgeqpf
QR factorization of complex general rectangular matrix with column pivoting

NAG C Library Manual
GAMS Classification Index
Up (D)
Previous (D4)
Next (D6)
© The Numerical Algorithms Group Ltd, Oxford UK. 2002