f01qcc

QR factorization of real m by n matrix (m ≥ n)

f01rcc

QR factorization of complex m by n matrix (m≥ n)

f08aec

QR factorization of real general rectangular matrix

f08afc

Form all or part of orthogonal Q from QR factorization determined by f08aec or f08bec 
f08asc

QR factorization of complex general rectangular matrix

f08atc

Form all or part of unitary Q from QR factorization determined by f08asc or f08bsc 
f08bec

QR factorization of real general rectangular matrix with column pivoting 
f08bsc

QR factorization of complex general rectangular matrix with column pivoting 
f08jec

All eigenvalues and eigenvectors of real symmetric tridiagonal matrix, reduced from real symmetric matrix using implicit QL or QR 
f08jfc

All eigenvalues of real symmetric tridiagonal matrix, rootfree variant of QL or QR 
f08jsc

All eigenvalues and eigenvectors of real symmetric tridiagonal matrix, reduced from complex Hermitian matrix, using implicit QL or QR 