slarrr.f(3) LAPACK slarrr.f(3)NAME
slarrr.f -
SYNOPSIS
Functions/Subroutines
subroutine slarrr (N, D, E, INFO)
SLARRR
Function/Subroutine Documentation
subroutine slarrr (integerN, real, dimension( * )D, real, dimension( * )E, integerINFO)
SLARRR
Purpose:
Perform tests to decide whether the symmetric tridiagonal matrix T
warrants expensive computations which guarantee high relative accuracy
in the eigenvalues.
Parameters:
N
N is INTEGER
The order of the matrix. N > 0.
D
D is REAL array, dimension (N)
The N diagonal elements of the tridiagonal matrix T.
E
E is REAL array, dimension (N)
On entry, the first (N-1) entries contain the subdiagonal
elements of the tridiagonal matrix T; E(N) is set to ZERO.
INFO
INFO is INTEGER
INFO = 0(default) : the matrix warrants computations preserving
relative accuracy.
INFO = 1 : the matrix warrants computations guaranteeing
only absolute accuracy.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Contributors:
Beresford Parlett, University of California, Berkeley, USA
Jim Demmel, University of California, Berkeley, USA
Inderjit Dhillon, University of Texas, Austin, USA
Osni Marques, LBNL/NERSC, USA
Christof Voemel, University of California, Berkeley, USA
Definition at line 95 of file slarrr.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 slarrr.f(3)
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dlarrr.f(3) LAPACK dlarrr.f(3)NAME
dlarrr.f -
SYNOPSIS
Functions/Subroutines
subroutine dlarrr (N, D, E, INFO)
DLARRR performs tests to decide whether the symmetric tridiagonal matrix T warrants expensive computations which guarantee high
relative accuracy in the eigenvalues.
Function/Subroutine Documentation
subroutine dlarrr (integerN, double precision, dimension( * )D, double precision, dimension( * )E, integerINFO)
DLARRR performs tests to decide whether the symmetric tridiagonal matrix T warrants expensive computations which guarantee high relative
accuracy in the eigenvalues.
Purpose:
Perform tests to decide whether the symmetric tridiagonal matrix T
warrants expensive computations which guarantee high relative accuracy
in the eigenvalues.
Parameters:
N
N is INTEGER
The order of the matrix. N > 0.
D
D is DOUBLE PRECISION array, dimension (N)
The N diagonal elements of the tridiagonal matrix T.
E
E is DOUBLE PRECISION array, dimension (N)
On entry, the first (N-1) entries contain the subdiagonal
elements of the tridiagonal matrix T; E(N) is set to ZERO.
INFO
INFO is INTEGER
INFO = 0(default) : the matrix warrants computations preserving
relative accuracy.
INFO = 1 : the matrix warrants computations guaranteeing
only absolute accuracy.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Contributors:
Beresford Parlett, University of California, Berkeley, USA
Jim Demmel, University of California, Berkeley, USA
Inderjit Dhillon, University of Texas, Austin, USA
Osni Marques, LBNL/NERSC, USA
Christof Voemel, University of California, Berkeley, USA
Definition at line 95 of file dlarrr.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 dlarrr.f(3)
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Fuller details and... (0 Replies)
Discussion started by: otheus
0 Replies
3. Post Here to Contact Site Administrators and Moderators
Hi Admin,
I am living in singapore. When i use the unix.com in office, it works well ( in that time, it says "you are somewhere around USA(some country) - because my proxy is USA"
Once i come to home and connects, it keeps logout... is that any settings i need to change ?
---------- Post... (1 Reply)
Florida State University, Tallahassee, FL, USA, Dr. Whalley, COP4342 Unix Tools.
This program takes much of my previous assignment but adds the functionality of printing the concatenated line numbers found within the input.
Sample input from <> operator:
Hello World
This is hello
a sample... (2 Replies)
Florida State University, Tallahassee, FL USA, Dr. Whalley, COP4342
1. The problem statement, all variables and given/known data:
Create a lex specification file that reads a C source program that ignores keywords and collects all identifiers (regular variable names) and also displays the line... (3 Replies)
Input file:
1234 USA date
3421 USA date
3421 USA content
1234 USA1 date
34 USA1 content
1234 USA2 Sun
34 USA2 Sun
43 USA2 Sun
345 USA2 date
435 USA2 date1
Output file:
1234 USA date
3421 USA date
1234 USA1 date
1234 USA2 Sun
34 USA2 Sun
43 USA2 Sun (0 Replies)