redhat man page for slaed6

Query: slaed6

OS: redhat

Section: l

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

SLAED6(l)								 )								 SLAED6(l)

NAME
SLAED6 - compute the positive or negative root (closest to the origin) of z(1) z(2) z(3) f(x) = rho + --------- + ---------- + --------- d(1)-x d(2)-x d(3)-x It is assumed that if ORGATI = .true
SYNOPSIS
SUBROUTINE SLAED6( KNITER, ORGATI, RHO, D, Z, FINIT, TAU, INFO ) LOGICAL ORGATI INTEGER INFO, KNITER REAL FINIT, RHO, TAU REAL D( 3 ), Z( 3 )
PURPOSE
SLAED6 computes the positive or negative root (closest to the origin) of z(1) z(2) z(3) f(x) = rho + --------- + ---------- + --------- d(1)-x d(2)-x d(3)-x It is assumed that if ORGATI = .true. the root is between d(2) and d(3); otherwise it is between d(1) and d(2) This routine will be called by SLAED4 when necessary. In most cases, the root sought is the smallest in magnitude, though it might not be in some extremely rare situations.
ARGUMENTS
KNITER (input) INTEGER Refer to SLAED4 for its significance. ORGATI (input) LOGICAL If ORGATI is true, the needed root is between d(2) and d(3); otherwise it is between d(1) and d(2). See SLAED4 for further details. RHO (input) REAL Refer to the equation f(x) above. D (input) REAL array, dimension (3) D satisfies d(1) < d(2) < d(3). Z (input) REAL array, dimension (3) Each of the elements in z must be positive. FINIT (input) REAL The value of f at 0. It is more accurate than the one evaluated inside this routine (if someone wants to do so). TAU (output) REAL The root of the equation f(x). INFO (output) INTEGER = 0: successful exit > 0: if INFO = 1, failure to converge
FURTHER DETAILS
Based on contributions by Ren-Cang Li, Computer Science Division, University of California at Berkeley, USA LAPACK version 3.0 15 June 2000 SLAED6(l)
Related Man Pages
slaed4(l) - redhat
dlaed6(3) - debian
slaed6.f(3) - debian
dlaed6.f(3) - centos
slaed4.f(3) - centos
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