Rechercher une page de manuel
zla_lin_berr.3lapack
Langue: en
Version: 269264 (debian - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
ZLA_LIN_BERR - ZLA_LIN_BERR compute componentwise relative backward error from the formula max(i) ( abs(R(i)) / ( abs(op(A_s))*abs(Y) + abs(B_s) )(i) ) where abs(Z) is the componentwise absolute value of the matrix or vector ZSYNOPSIS
- SUBROUTINE ZLA_LIN_BERR
- ( N, NZ, NRHS, RES, AYB, BERR )
- IMPLICIT NONE
- INTEGER N, NZ, NRHS
- DOUBLE PRECISION AYB( N, NRHS ), BERR( NRHS )
- COMPLEX*16 RES( N, NRHS )
PURPOSE
ZLA_LIN_BERR computes componentwise relative backward error from
the formula
max(i) ( abs(R(i)) / ( abs(op(A_s))*abs(Y) + abs(B_s) )(i) )
where abs(Z) is the componentwise absolute value of the matrix
or vector Z.
Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre