Did you try using the binaries? On Sunday, December 29, 2013, Nazmul Islam wrote:
> Hello Jeff, > > Thanks for your email. I am using windows and Matlab 2013. GLPKMex > requires GLPK installation through > http://en.wikibooks.org/wiki/GLPK/Windows. I was able to install GLPK > through windows executables ( > http://en.wikibooks.org/wiki/GLPK/Windows_executables) but could not > install GLPK through http://en.wikibooks.org/wiki/GLPK/Windows. GLPKMex > is asking for glpk.h and libglpk.a file and I think that I can only get > them from GLPK Windows batch file based installation. > > Although, my current description will deviate from the subject topic, I > will describe the steps that I performed in GLPK installation. > > 1. I downloaded and installed all packages that are described in > http://en.wikibooks.org/wiki/GLPK/Windows (Visual C++, Windows SDK, > Visual Studio 2010, Visual C++ 2010 Service Pack). > > 2, I downloaded glpk-4.48 from http://ftp.gnu.org/gnu/glpk/. > > 3. I go to the /glpk-4.48/w64/ folder and run 'Build_GLPK_with_VC10_DLL' > as an administrator and it shows me the following message: > > "The specified configuration type is missing. The tools for the > configuration might not be installed" !! > > 4. I tried "CALL "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv. > cmd" /x64" in my cmd. But it did not create the vcvars64.bat file in > C:\Program > Files (x86)\Microsoft Visual Studio 10.0\VC\ directory. I don't know why > this might be happening :S. > > 5. Someone of this forum suggested me to generated vcvars64.bat file by > notepad. But I don't know what I should put there. I see vcvarsall.bat file > in my C:/Program Files/Visual Studio 10.0/vc/ subfolder directory but I > don't know how I can change the contents to create vcvars64.bat file. > > My current option is to uninstall all packages of > http://en.wikibooks.org/wiki/GLPK/Windows (Visual C++, Windows SDK, > Visual Studio 2010, Visual C++ 2010 Service Pack) and install them again. I > wanted to check with you if I missed any step before I went through that > route. > > Any feedback regarding this installation will be really helpful. At > present, I don't have much clue why this is happening. > > Thanks, > > Nazmul > > > > > On Sun, Dec 29, 2013 at 11:25 AM, Jeffrey Kantor <[email protected]> wrote: > > > I may not be understanding your intended use. If the problem has already > been reduced to canonical form with A, b, c, lb, and ub as Matlab matrices, > then there is little value to introducing a modeling layer. You could just > call a glpk through glpkmex (see http://en.wikibooks.org/wiki/GLPK/Matlab) > and avoid the overhead of converting your data to a text format, building > the model, and reading the results. > > If you do wish to use a modeling language, such as Mathprog, then you > might consider using AWK to manipulate and generate instances of data > inputs to your model. But from your note, it sounds like you've already > got that worked out in Matlab. > > Also, if you have access to it, you may want to look into the prerelease > of Matlab 2014a. > > Jeff > > > On Saturday, December 28, 2013, Nazmul Islam wrote: > > Hello Reg (& others), > > Thanks a lot for your email. > > As a fast step, I want to solve a mixed integer linear program like > follows > > min c'x > s.t. Ax <= b, > lb <= x <= ub > Some variables of x are binary ones. > > I have generated A, b, c, lb, ub in Matlab and stored them in .mat format. > I have to convert them to GMPL readable format so that I can solve this > code using GLPK. I have attached a sample of those files with my email. I > will really appreciate if you could tell me how I can convert them using > AWK. Please let me know if you want me to send a .mat file with smaller > size. > > Your help will be very appreciated. > > Thanks, > > Nazmul > > > On Fri, Dec 27, 2013 at 3:30 PM, Reginald Beardsley > <[email protected]>wrote: > > Nazmul, > > I suggest you consider using awk to generate data files in GMPL format > from ASCII text (.txt) files if you have very many instances to solve. You > put the problem formulation in one file and the data for each instance in > another file and execute "gplsol -m model.dat -d data.dat". I've found > this works very well solving large numbers of problem instances. In > particular, it makes changing the model very simple. I can't find out > anything about the Guesk editor so I can't comment on setting up GMPL > notation data files using that. > > I tried using the CSV import facility in GMPL, but found it not very > convenient because of restrictions on the CSV format glpk accepts. > > There is a MATLAB binding for GLPK, but I don't know how usable it is. > The MATLAB clone, Octave, also has a built-in binding to GLPK. > > http://en.wikibooks.org/wiki/GLPK/Matlab > > http://en.wikibooks.org/wiki/GLPK/Octave > > http://en.wikibooks.org/wiki/GLPK/Scripting_plus_MathProg > > There is a Gnu implementation of awk, gawk, which is standard on Linux > systems. It's also available on Windows. > > http://gnuwin32.sourceforge.net/packages/gawk.htm > > If you need help with writing an awk script to convert the MATLAB .txt > files to GMPL notation send me a small example of the MATLAB .txt file and > I'll add an example to the GLPK wiki. > > You'll need to figure out how to write a basic GMPL problem first. A good > place to look is in the examples directory at cf12a.mod which implements an > L1 line fit. I solve physics inverse problems by basis pursuit using GMPL > notation so I can probably offer some help. I do problems with 30,000 > columns by 50-300 rows. The resulting files are huge, so you want to get > everything working using a small example before doing something that large. > I did some little 10x10 problems to figure out how to set it up. > > Reg > > > > > -------------------------------------------- > On Thu, 12/26/13, Nazmul Islam <[email protected]> wrote: > > Subject: [Help-glpk] Import data fr > >
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