ERROR IN MATLAB CODER...

2012 5 10
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I´m using the MATLAB example Hello World for testing the MATLAB coder tool. (The simplest example in the MATLAB HELP), and the MATLAB give-me follow error report in the prompt window.
??? Attempted to access instrumentAndRunPos(0); index must be a positive integer or logical.
Error in ==> echodemo>formatError at 245 stackStart = max(iRet(iRet < instrumentAndRunPos(end)));
Error in ==> echodemo at 183 disp(formatError(mExc))
somebody could help me? Thanks in advance.

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Joao Paulo
Joao Paulo 2012-5-10

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Problem solved: go to System-> Enviroment Variable-> System Variable and verify if there is in the Varible Path the following directories
%SystemRoot%\System32;%SystemRoot%;%SystemRoot%\System32\Wbem;%MATLAB ROOT%\runtime\win32;%MATLAB ROOT%\bin
The problem was solved after setting that.
PS: Verify http://www.mathworks.com/matlabcentral/answers/2926-convert-matlab-to-c-using-emlc-function!
Thanks a lot Kaustubha Govind Titus Edelhofer!

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Titus Edelhofer
Titus Edelhofer 2012-5-11
That's good to hear. You might mark the question as answered then ...
Titus

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Titus Edelhofer
Titus Edelhofer 2012-5-10

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Hi,
it looks as if the demo fails (and echodemo does not produce a "nice" error message). I would suggest to run the demo just as a script, i.e.,
edit coderdemo_hello_world
and then press the "run" button (or just press F5). Probably the demo will fail but should give a more helpful error message ...
Titus

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Joao Paulo
Joao Paulo 2012-5-10
Thank you for the help. I did the suggested,so I had the more detailed error report, but the problem persist, the error is :
link /dll /LIBPATH:"C:\PROGRA~1\MATLAB\R2011a\extern\lib\win32\microsoft" libmx.lib libmex.lib libmat.lib /MACHINE:X86 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /manifest /incremental:NO /implib:"hello_world_mex.x" /MAP:"C:\Users\Joao\Desktop\Teste_geracao\coderdemo_hello_world\codegen\mex\hello_world\hello_world_mex.mexw32.map" /NODEFAULTLIB:LIBCMT /OUT:hello_world_mex.mexw32 hello_world.obj hello_world_initialize.obj hello_world_terminate.obj hello_world_api.obj hello_world_mex.obj @hello_world_mex_mex.arf
12 Creating library hello_world_mex.x and object hello_world_mex.exp
13 'cmd' nÆo ‚ reconhecido como um comando interno
14 ou externo, um programa oper vel ou um arquivo em lotes.
15 gmake: *** [hello_world_mex.mexw32] Error 1
Kaustubha Govind
Kaustubha Govind 2012-5-10
What happens when you type "!cmd &" (without the quotes) from the MATLAB prompt?
Kaustubha Govind
Kaustubha Govind 2012-5-10
Also, could you look at my comment on this page: http://www.mathworks.com/matlabcentral/answers/2926-convert-matlab-to-c-using-emlc-function
Joao Paulo
Joao Paulo 2012-5-10
the DOS prompt opened and gave-me the message: "cmd is not recognized as a intern comand, batch command or a batch file"
Joao Paulo
Joao Paulo 2012-5-10
I´m using Visual Studio, Do I have to install additionally gcc compiler to acess the gmake comand? I looked the topic which you have cited, and I searched for the system variable. There is a System Variable ComSpec which point to the path C:Windows\system32\cmd.exe .

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