LAPACK  3.11.0
LAPACK: Linear Algebra PACKage
Functions
lasd4: D&C step: secular equation nonlinear solver
LAPACK » Singular Value Decomposition (SVD) » bidiag D&C computational routines

Functions

subroutine dlasd4 (N, I, D, Z, DELTA, RHO, SIGMA, WORK, INFO)
 DLASD4 computes the square root of the i-th updated eigenvalue of a positive symmetric rank-one modification to a positive diagonal matrix. Used by dbdsdc. More...
 
subroutine slasd4 (N, I, D, Z, DELTA, RHO, SIGMA, WORK, INFO)
 SLASD4 computes the square root of the i-th updated eigenvalue of a positive symmetric rank-one modification to a positive diagonal matrix. Used by sbdsdc. More...
 

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