The first thing you need to realise is that porting code from one language to another (especially languages as different as Matlab and C) is generally non-trivial and time-consuming. You need to know both languages well, and you need to have similar facilities available in both. In the case of Matlab and C, Matlab gives you a lot of stuff that you just won't have available in C without using libraries. So the first thing to do is identify which libraries you're going to need to use in C. (You can write some of the stuff yourself, but you'll be there a long time if you write all of it yourself.) If you're doing image processing, I highly recommend looking into something like ITK at - I've written my image processing software twice in C, once without ITK (coding everything myself) and once with, and the version that used ITK was finished faster, performed better and was ten times more fun to work on. I also used the to convert some functions consisting of a few hundred lines of MATLAB into C. This included using MATLAB's eigenvalue solver and matrix inversion functions.
C Code Operators
Although Coder was able to produce C code (which theoretically was identical), it was very convoluted, bloated, impossible to decipher, and appeared to be extremely inefficient. It literally created about 10x as many lines of code as it should have needed. I ended up converting it all by hand so that I would actually be able to comprehend the C code later and make further changes/updates.
This task however, can be very tedious/dangerous, as the array indexing in Matlab is 1-based and in C it's 0-based. You're likely to add bugs into the code, as I experienced.
You'll also have to convert any vector/matrix arithmetic into loops that handle scalars (or use some type of C matrix algebra package). Matlab has a tool called 'Matlab Coder' which can convert your matlab file to C code or mex file. My code is relatively simple so it works fine. Speed up gain is about 10 times faster. This saves me time coding a few hundreds lines. Hope it's helpful for you too The links describe the process of converting your code in 3 major steps:.
First you need to make a few simplifications in your present code so that it would be simple enough for the Coder to translate. Second, you will use the tool to generate a mex file and test if everything is actually working. Finally you would change some setting and generate the C code. In my case, the C code has about 700 lines including all the original matlab code (about 150 lines) as comments. I think it's quite readable and could be improve upon.
However, I already get a 10 times speed up gain from the mex file anyway. So this is definitely a good thing. We can't not be sure that this will work in all case but it's definitely worth trying. I remember there is a tool to export m-files as c()-files.
But I could never get that running. You need to add some obscure MATLAB-headers in the c/ccode. And I think it is also not recommended. If you have running MATLAB-code, it shouldn't take too much effort to do the conversion 'by hand'. I have been working on several project where MATLAB was used and it was never consider to use any tools to convert the code to C/C. It was always done 'by hand'. I believe to have been the only one who ever investigate into using a tool.
C code to matlab code or matlab to C Code? I don't think that there are automatic converters exists. But as you already know for matlab to C there are automated converters inside matlab package. Convert my C file to matlab (.m) file If you know how to convert it plz send it to me.
What is actually in C that you want to convert? What about making a dll file from C and call it's methods in matlab code?:) and I think you know how to create a dll from C source file. Give some samples on lines or file in.C file that you want to convert.
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Public finance by h l bhatia. You can into standalone executables, but I'm not familiar with a Matlab tool to convert Matlab code to Visual C code. You can convert Matlab code to C or C using (formerly Real-Time Workshop), which is available from Mathworks as a separate product. To run the standalone executable, the user will have to install the Matlab Compiler Runtime.
From the: Executables and libraries created with the MATLAB Compiler product use a runtime engine called the MATLAB Compiler Runtime (MCR). The MCR is provided with MATLAB Compiler for distribution with your application and can be deployed royalty-free. A long, long time ago, the MATLAB compiler used to translate MATLAB code to C, but it has not done that for some time. Nowadays, it just converts the (.m) MATLAB source files to an obfuscated, pre-parsed format (.p), packaged up so that it can be either run as a standalone executable or called from another program. Either way, the target machine on which it is to be run will need to have installed the MCR from the version of MATLAB against which the application was developed.
– Oct 11 '11 at 21:20. You will not get rid of the Matlab runtimes. I often had problems using Matlab Compiler. It basically is like a wrapper around the Matlab runtime, generates clumsy code and did introduce many problems for deployment. C alternatives.? I could not find any.
So I recently switched to, which is like Matlab in C# - only much faster and no translation necessary. It works out great so far because we use ASP.NET anyway and hence save jumping between languages and can directly use the 3d plots of ilnumerics.
Hey Sorry guys.i should have posted the entire problem with details. Basically i have a jpeg image,i 1. Read in the jpeg image 2. Convert the image to double data-type. Decompose the image into red,green and blue parts. Perform some processing on these red,green and blue parts separately. In Matlab i have written as below: image=imread(c); image=im2double(image); R=image(:,:,1); G=image(:,:,2); B=image(:,:,3); - process R,G,B parts.
Im trying to convert the entire matlab code to C-code.It would be great if i could get help on above code as explained.thanks.
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