LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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Functions
lasq4: dqds step
LAPACK » Singular Value Decomposition (SVD) » bidiag QR iteration routines
Collaboration diagram for lasq4: dqds step:

Functions

subroutine dlasq4 (i0, n0, z, pp, n0in, dmin, dmin1, dmin2, dn, dn1, dn2, tau, ttype, g)
 DLASQ4 computes an approximation to the smallest eigenvalue using values of d from the previous transform. Used by sbdsqr.
 
subroutine slasq4 (i0, n0, z, pp, n0in, dmin, dmin1, dmin2, dn, dn1, dn2, tau, ttype, g)
 SLASQ4 computes an approximation to the smallest eigenvalue using values of d from the previous transform. Used by sbdsqr.
 

Detailed Description