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dlasd4.f(3) LAPACK dlasd4.f(3)

NAME

dlasd4.f -

SYNOPSIS

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.

Author

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Wed Mar 8 2017 Version 3.7.0