LAPACK
3.7.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
zlahqr.f File Reference
Functions/Subroutines
subroutine
zlahqr
(WANTT, WANTZ,
N
, ILO, IHI, H, LDH, W, ILOZ, IHIZ, Z, LDZ, INFO)
ZLAHQR
computes the eigenvalues and Schur factorization of an upper Hessenberg matrix, using the double-shift/single-shift QR algorithm.
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SRC
zlahqr.f
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1.8.13