LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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zgeqp3rk.f File Reference

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subroutine zgeqp3rk (m, n, nrhs, kmax, abstol, reltol, a, lda, k, maxc2nrmk, relmaxc2nrmk, jpiv, tau, work, lwork, rwork, iwork, info)
 ZGEQP3RK computes a truncated Householder QR factorization with column pivoting of a complex m-by-n matrix A by using Level 3 BLAS and overwrites m-by-nrhs matrix B with Q**H * B.