dlasq2.f - Man Page

Synopsis

Functions/Subroutines

subroutine dlasq2 (N, Z, INFO)
DLASQ2 computes all the eigenvalues of the symmetric positive definite tridiagonal matrix associated with the qd Array Z to high relative accuracy. Used by sbdsqr and sstegr.

Author

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Info

Thu Apr 1 2021 Version 3.9.1 LAPACK