LAPACK
3.6.1
LAPACK: Linear Algebra PACKage
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Functions/Subroutines | |
subroutine | dlaed1 (N, D, Q, LDQ, INDXQ, RHO, CUTPNT, WORK, IWORK, INFO) |
DLAED1 used by sstedc. Computes the updated eigensystem of a diagonal matrix after modification by a rank-one symmetric matrix. Used when the original matrix is tridiagonal. More... | |