LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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dlasd4.f File Reference

Go to the source code of this file.

Functions/Subroutines

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.