06-03-2008
Hi Pravani,
try this
val=`tail -1 filename`
\rm temp
val=`tail -1 filename`
echo $val >> temp
j=2; for i in `cat filename`
do
val=`tail -$j filename | head -1 `
if [ $val -ge $val2 ]
then
break
else
echo $val >> temp
val2=$val
j=`expr $j + 1`
fi
done
sort -n temp
Thanks
Penchal
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LEARN ABOUT DEBIAN
clacon
clacon.f(3) LAPACK clacon.f(3)
NAME
clacon.f -
SYNOPSIS
Functions/Subroutines
subroutine clacon (N, V, X, EST, KASE)
CLACON
Function/Subroutine Documentation
subroutine clacon (integerN, complex, dimension( n )V, complex, dimension( n )X, realEST, integerKASE)
CLACON
Purpose:
CLACON estimates the 1-norm of a square, complex matrix A.
Reverse communication is used for evaluating matrix-vector products.
Parameters:
N
N is INTEGER
The order of the matrix. N >= 1.
V
V is COMPLEX array, dimension (N)
On the final return, V = A*W, where EST = norm(V)/norm(W)
(W is not returned).
X
X is COMPLEX array, dimension (N)
On an intermediate return, X should be overwritten by
A * X, if KASE=1,
A**H * X, if KASE=2,
where A**H is the conjugate transpose of A, and CLACON must be
re-called with all the other parameters unchanged.
EST
EST is REAL
On entry with KASE = 1 or 2 and JUMP = 3, EST should be
unchanged from the previous call to CLACON.
On exit, EST is an estimate (a lower bound) for norm(A).
KASE
KASE is INTEGER
On the initial call to CLACON, KASE should be 0.
On an intermediate return, KASE will be 1 or 2, indicating
whether X should be overwritten by A * X or A**H * X.
On the final return from CLACON, KASE will again be 0.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Further Details:
Originally named CONEST, dated March 16, 1988.
Last modified: April, 1999
Contributors:
Nick Higham, University of Manchester
References:
N.J. Higham, 'FORTRAN codes for estimating the one-norm of
a real or complex matrix, with applications to condition estimation', ACM Trans. Math. Soft., vol. 14, no. 4, pp. 381-396, December
1988.
Definition at line 115 of file clacon.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 clacon.f(3)