10-18-2011
thanx, but i already had this come up in a google search. i tried to map the thread to my issue to understand what is wrong with no luck. i clearly need more hand holding than what that page offered.
10 More Discussions You Might Find Interesting
1. Programming
Didn't have this problem in AIX, but ported to Linux with GCC compiler and am now getting a runtime error:
tssutil: symbol lookup error: /work/agility/devel/bin/libagam.so: undefined symbol: fstat
I'm sure most of you know that fstat is an intrinsic function just like printf, memcpy, etc. When I... (5 Replies)
Discussion started by: marcus121
5 Replies
2. Programming
I have written following code to do: ls -l | wc -w, it works:
but when there are not only a single "|", if there are more such as:
ls -l | sort -r | sort | sort -r, This program does not work, i want to know how could i deal with it when there are more "|", another situation is that, if it mixes... (2 Replies)
Discussion started by: strugglingman
2 Replies
3. AIX
Hi,
I am using xlC compiler. The compilation goes fine but at the time of linking it gives the following error
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
ld: 0711-317 ERROR: Undefined symbol: .u_strlen_2_6
ld: 0711-317 ERROR: Undefined symbol:... (0 Replies)
Discussion started by: nachiketv
0 Replies
4. UNIX for Dummies Questions & Answers
I need to take a string (stringA) check it for spaces and replace any spaces found with an equal (=) sign.
This is not working. There are spaces between each component:
$StringA | tr "" ""
The error returned is:
test: Specify a parameter with this command
Can you help? (3 Replies)
Discussion started by: by_tg
3 Replies
5. Programming
hello all,
attached you can find a tool (written in C) that i really need to make it compile under linux
i am able to compile and run it successfully in mac os x, but in linux the compilation fails
the only thing that i did so far is to change the following
#include <sys/malloc.h> to... (13 Replies)
Discussion started by: OneDreamCloser
13 Replies
6. Shell Programming and Scripting
This is the script:
#!/bin/sh
if ; then rm -rf /usr/share/WallpaperChanger; fi
if ; then rm -rf /usr/bin/wallch; fi;
if ; then rm -rf /usr/share/applications/wallch.desktop; fi
if ; then rm -rf /usr/share/doc/wallch; fi
if ; then rm -rf /usr/share/man/man1/wallch.1.gz; fi
echo "Delete... (4 Replies)
Discussion started by: hakermania
4 Replies
7. Programming
i may be asking way too much here but i am not a programmer and not sure where to to turn. i have a program that i am trying to "make". but the compiler i am supposed to use gets nowhere. there are a bunch of .f90 files that are being processed as follows but it doesn't get past the first one:
... (1 Reply)
Discussion started by: crimso
1 Replies
8. Solaris
Hell all
I tryed to build rmp from sources on Solaris 10. I download source code, install gcc, binutils, and other packs с sunfreeware.com.
Doring compilation I got an error:
/bin/bash ./libtool --tag=CC --mode=link gcc -std=gnu99 -g -O2 -fPIC -DPIC -D_REENTRANT -Wall... (0 Replies)
Discussion started by: sluge
0 Replies
9. Emergency UNIX and Linux Support
Hi,
I am running a perl script to automate a process and I keep running into a error can't find the "value"
Can't call method "value" on an undefined value at process_file.pl line 44.
file is CVS
cell is ifdfdxrfmp.ksh
Here is the script I have also attached it as well:
... (2 Replies)
Discussion started by: vpundit
2 Replies
10. Programming
Hi!
I am trying to compile a C++ code with cmake and gcc on Ubuntu. The code uses NetCDF4 libraries. I specify the path to these libraries as follows:
-I/usr/local/include -L/usr/local/lib -lnetcdf -lnetcdf_c++4
"ccmake" and "cmake" work fine. After typing "make" I receive the error... (0 Replies)
Discussion started by: Alauda
0 Replies
LEARN ABOUT SUSE
pdl::opt::simplex
Simplex(3) User Contributed Perl Documentation Simplex(3)
NAME
PDL::Opt::Simplex -- Simplex optimization routines
SYNOPSIS
use PDL::Opt::Simplex;
($optimum,$ssize) = simplex($init,$initsize,$minsize,
$maxiter,
sub {evaluate_func_at($_[0])},
sub {display_simplex($_[0])}
);
DESCRIPTION
This package implements the commonly used simplex optimization algorithm. The basic idea of the algorithm is to move a "simplex" of N+1
points in the N-dimensional search space according to certain rules. The main benefit of the algorithm is that you do not need to calculate
the derivatives of your function.
$init is a 1D vector holding the initial values of the N fitted parameters, $optimum is a vector holding the final solution.
$initsize is the size of $init (more...)
$minsize is some sort of convergence criterion (more...) - e.g. $minsize = 1e-6
The sub is assumed to understand more than 1 dimensions and threading. Its signature is 'inp(nparams); [ret]out()'. An example would be
sub evaluate_func_at {
my($xv) = @_;
my $x1 = $xv->slice("(0)");
my $x2 = $xv->slice("(1)");
return $x1**4 + ($x2-5)**4 + $x1*$x2;
}
Here $xv is a vector holding the current values of the parameters being fitted which are then sliced out explicitly as $x1 and $x2.
$ssize gives a very very approximate estimate of how close we might be - it might be miles wrong. It is the euclidean distance between the
best and the worst vertices. If it is not very small, the algorithm has not converged.
FUNCTIONS
simplex
Simplex optimization routine
($optimum,$ssize) = simplex($init,$initsize,$minsize,
$maxiter,
sub {evaluate_func_at($_[0])},
sub {display_simplex($_[0])}
);
See module "PDL::Opt::Simplex" for more information.
CAVEATS
Do not use the simplex method if your function has local minima. It will not work. Use genetic algorithms or simulated annealing or
conjugate gradient or momentum gradient descent.
They will not really work either but they are not guaranteed not to work ;) (if you have infinite time, simulated annealing is guaranteed
to work but only after it has visited every point in your space).
SEE ALSO
Ron Shaffer's chemometrics web page and references therein: "http://chem1.nrl.navy.mil/~shaffer/chemoweb.html".
Numerical Recipes (bla bla bla XXX ref).
The demonstration (Examples/Simplex/tsimp.pl and tsimp2.pl).
AUTHOR
Copyright(C) 1997 Tuomas J. Lukka. All rights reserved. There is no warranty. You are allowed to redistribute this software /
documentation under certain conditions. For details, see the file COPYING in the PDL distribution. If this file is separated from the PDL
distribution, the copyright notice should be included in the file.
perl v5.12.1 2009-10-17 Simplex(3)