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dlahqr.f(3) LAPACK dlahqr.f(3)

NAME

dlahqr.f

SYNOPSIS

Functions/Subroutines


subroutine dlahqr (WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI, ILOZ, IHIZ, Z, LDZ, INFO)
DLAHQR computes the eigenvalues and Schur factorization of an upper Hessenberg matrix, using the double-shift/single-shift QR algorithm.

Author

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Wed May 24 2017 Version 3.7.0