running c program in matlab

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Don S 2013-12-26

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回答： Walter Roberson 2013-12-27

Hi,

I have a general doubt. I have a c program and I would like to execute the program inside the matlab using unix command.For example if the .c file is "scale.c". Then if I give unix(scale);

it always show an error "..is not recognized as an internal or external command, operable program or batch file". Kindly provide a solution for this.

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Walter Roberson 2013-12-26

Do you want to start it as an independent program? or do you want to start it as an independent program except passing in stdin and out stdout? Or do you want to call various routines in the C source as if they are commands written in MATLAB, with access to the variables ?

Don S 2013-12-27

Yes , I would like to call various routines in the C source into my matlab program.

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Answer 1

Image Analyst 2013-12-26

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Can you compile it into a standalone executable and run it with the system() function?

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Answer 2

Walter Roberson 2013-12-27

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To call routines in the C source, you have two choices:

You can compile the C source as a library, and then loadlib() the library and call the routines; or
You can create a MEX interface to the C source, compile it all with "mex", and then it can be called as if it is built-in MATLAB functionality.