LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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dgeqp3rk.f File Reference

Go to the source code of this file.

Functions/Subroutines

subroutine dgeqp3rk (m, n, nrhs, kmax, abstol, reltol, a, lda, k, maxc2nrmk, relmaxc2nrmk, jpiv, tau, work, lwork, iwork, info)
 DGEQP3RK computes a truncated Householder QR factorization with column pivoting of a real m-by-n matrix A by using Level 3 BLAS and overwrites a real m-by-nrhs matrix B with Q**T * B.