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slasd4.f(3) LAPACK slasd4.f(3)

NAME

slasd4.f

SYNOPSIS

Functions/Subroutines


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.

Author

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Wed May 24 2017 Version 3.7.0