Hi, I am reading the help documents about how to program matlab and C C++ together and my questions are a little bit general. It seems that are several ways to call matlab in C C++ and another several ways to call C C++ in matlab. Please correct me if I am wrong or missing something when I try to list them. To call matlab code in C C++, are there two methods available? The first one is Matlab engine and the second one is to use MATLAB Compiler mcc to create C or C++ shared libraries from your MATLAB code. To call C C++ in matlab, are there also two methods? The first one is to call funct...

How to call matlab functions directly from C++ without calling matlab engine. as it is described in this tutorial: http://www.codeproject.com/samples/matlab_cpp.asp I have tried to do something similar in Visual Studio 2005 [Matlab 7, r14] #include <mclcppclass.h> .... mwArray A, B, C; A = magic(mwArray(5)); B = transpose(A); .... but it doesn't compile. I got following errors: error C3861: 'magic': identifier not found error C3861: 'transpose': identifier not found etc... I was looking for header files with declarations of this functions in matlab directory...

Hi, I am using the matlab engine from a C++ program. I call engEvalString() and check for the return value, but the result is zero, even if a Matlab error (like "Undefined function or variable '...') occurs. Is there any way to find out if a Matlab error occured? Thanks, Philipp ...

I'm relatively new to the world of Matlab. I want to call my matlab own code from a C/C++ program on a machine with matlab installed. Do I need to compile the matlab code using matlab compiler tool or the matlab engine is enough for this? Thanks a lot for your help On Nov 28, 10:03 am, "Paeo Campigotto" <campigo...@dit.unitn.it> wrote: > I'm relatively new to the world of Matlab. > I want to call my matlab own code from a C/C++ program on a > machine with matlab installed. > Do I need to compile the matlab code using matlab compiler > tool or the matla...

Is it possible to read C/C++ code in matlab and the other way around too? Hi, as long as C or C++ are written in text files you can edit them in the matlab editor. To see the special character of C or C++ coding language, in the editor go to menus: file>preferences>Edito/Debugger>language and on popup "Language" select "C/C++". This does not allow you to run the C/C++ code, just to view it i nicer way... regards, chris saneman <asdfsdf@asd.com> wrote in message <frl846 $f8i$2@news.net.uni-c.dk>... > Is it possible to read C/C...

I am working on conversion of .m files to c/c++. I am using the MATLAB compiler version 3.0 and MATLAB version 6.5.1. There seem to be a few functions which do not seem to get converted. The error i got while using functions like TRAIN, NETWORK and INIT (all neural-networks related functions used in the general neural network programs, newpnn.m etc) is The MATLAB compiler does not currently support MATLAB object oriented programming and the functions TRAIN , NETWORK and INIT would produce a run-time error. Could anyone please tell me as to how i can circumnavigate this problem or solve this...

I'm relatively new to the world of Matlab. I want to call my matlab own code from a C/C++ program on a machine with matlab installed. Do I need to compile the matlab code using matlab compiler tool or the matlab engine is enough for this? Thanks a lot for your help ...

Hello, I'm writing an 3D image recognition which sends commands via RS232 to a Robot which moves to the point in 3D. The problem is the serial interface: sending string commands via serial/fprintf is very slow (I really don't know what matlab makes before sending them) in comparison to e.g. Windows hyperterminal. My question is if it is better to execute a dll out of Matlab-code doing the serial things or viceversus writing a program in c++ which uses the matlab-engine ? What could be the fastest way? What are advantages/disadvantages ? Any help would be appreciated. Thanks in advanc...

Hello! I've been integrating my C++ programs with MATLAB, but is it possible to envoke MATLAB engine from any other object-oriented language, such as C# or Java? Thanks in advance, Domagoj Jakobovic ...

I am creating an application that has 3 C files: convert.c(has main() in it) memconv.h(has declaration for just 1 function, memAlloc) memconv.c (has definition for the memAlloc function) I have included memconv.h in convert.c Now I try to compile the application on Command-Prompt using following command : mex -f c:\matlab6p5\bin\win32\mexopts\msvc60engmatopts.bat convert.c memconv.c It successfully creates convert.exe. However, on executing it crashes immediately. In other case, when I paste the memAlloc function in convert.c, and compile just one file i.e. convert....

Hi I have a code written in C. I want to call a matlab's M-file from this C code. I have already successfully executed the sample 'engdemo.c' file. what i am unable to do is to make matlab engine run this 'Load.m' file directly when it opens without me having to type in the code in the matlab command window. How can i make this happen? How to pass the name of the M-file which i want MATLAB to execute? Please help if you can!! Thanks in advance. Arpita "Arpita " <hi_arpita200222@yahoo.co.in> wrote in message news:g8i1vl$s6b$1@fred.mathworks.com... >...

Hi, I am using the matlab engine and matrix library to save simulated data out of a c++ project into a mat file. The simulated data includes several structures with several fields. The problem is, that the simulation produces a large amount of data so the memory is too small to store this data to the end of the simulation and save it into a mat file. Is it possible to store the simulated data incrementally in a mat file. For example every n simulation cycles? Actually I produce sub mat files, but this is only a work around. Regards, Andreas ...

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my issue: i only need data past a certain date for a large number of time series. is this possible in matlab? i have been toying around with different ways, and found one solution (descending sort paired with a conditional statement). for example if x(i)<datenum(1/1/2006,'mm/dd/yyyy') then delete else keep ....etc i know this is not matlab code, but it explains my goal. but, i would prefer a more concise way of executing this step. with this, is there any way to call sas code with matlab? (makes parsing data obviously much more concise). any input would be greatly appreciated. ...

Hello All, Please can I get some guidance on how to Convert a structure from Matlab code to C code using Matlab Compiler. Kind regards Sammy ...

Hello, I have a problem calling C code from Matlab. The mex file compilation is ok. When I run the program Matlab (7.3) crashes. Below is the mexFunction code. Any idea is welcome. (I think the main part of the code (middle part) is not useful for the crash problem, but I put it anyway). //########################################################### #include "math.h" #include "mex.h" void mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) { // Standard variables int p,r,h,i,j,f,w; // Indices for loop int MAX_NBM = 1000; int MAX_DIM = 10; int MAX_NB_CLUST = 20; double *SF, *km, *new_data; int size, dim, K, nbm, aux_size, count_bis, count_aux; double diam_max, diam, vec1_p, vec2_p, dist_min, dis; int combi[1000000][2]; int dist_aux[1000000][2]; /* Check for proper number of arguments. */ if (nrhs != 5) { mexErrMsgTxt("5 input required."); } else if (nlhs > 1) { mexErrMsgTxt("Too many output arguments"); } // Input parameter (MATLAB) new_data = mxGetPr(prhs[0]); size = (int)mxGetScalar(prhs[1]); dim = (int)mxGetScalar(prhs[2]); K = (int)mxGetScalar(prhs[3]); km = mxGetPr(prhs[4]); // Output parameter (MATLAB) plhs[0] = mxCreateDoubleMatrix(1,1,mxREAL); SF = mxGetPr(plhs[0]); // Other variables nbm = size/dim; // Number of points printf("Taille: %d\n",nbm); printf("Dimension: %d\n",dim); //#############################...

Hello, I'm using along several months in my vi's the matlab script block using 6.1 and 6.5 matlab script version and I haven't got any problem. Today I've installed matlab 7.0 and the matlab script block, but matlab script block never shows errors and I dont' know whyit happens. Someone knows which can be the problem.....is not compatible with matlab 7.0....i have to update labview?? Thanks Larson Thank you very much diego....i haven't found this forum topic. Bye! ...

The application that I have a made is just an example of how to use .Net builder in Matlab. But I am having a few exceptions while running the C# Application due to the assembly created by the matlab code. The application can be downloaded from: http://www.mediafire.com/?reby2cc6hdglsir You may check it and tell me if there is any correction ! Thank You :) Somebody please help !!!! I really need this problem to be solved ...... !!! :( ...

Hi!! I'm trying to make a code to use matrix to read a file, but when I try to copy the read value to a mxArray it gives the next errors: $ make g++ -Wall -g -O3 -I. -I../include -I/usr/cad/systemc/systemc_2_1.oct_12_2004.be ta/include -I/usr/cad/systemc/systemc_2_1.oct_12_2004.beta/src -o .../obj/moduleM atrix.o -c ../src/moduleMatrix.cpp .../src/moduleMatrix.cpp: In member function `void Matrix::CreateData()': .../src/moduleMatrix.cpp:89: error: call to non-function `Array::array' .../src/moduleMatrix.cpp: At global scope: .../src/moduleMatrix.cpp:109: error: parse error at end ...

Hello, I have a problem calling C code from Matlab. The mex file compilation is ok. When I run the program Matlab (7.3) crashes. Below is the mexFunction code. Any idea is welcome. (I think the main part of the code (middle part) is not useful for the crash problem, but I put it anyway). //########################################################### #include "math.h" #include "mex.h" void mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) { // Standard variables int p,r,h,i,j,f,w; // Indices for loop int MAX_NBM = 1000; int MAX_DIM = 10; in...

im working on a project using matlab. i want to use some of the already writen codes in C++. i want to use these codes in my project rather than writing them from scratch. is there some way or a chunk of code that might convert C++ code to matlab code or a ".c" file to ".m" file. please if anyone knows do let me know at the earliest.thanks "fatima " <fatima_naseem2002@yahoo.com> wrote in message <i8ugqn$e9p$1@fred.mathworks.com>... > im working on a project using matlab. i want to use some of the already writen codes in C++. i want to use these c...

I wanna use matlab C++ math library into VC++6.0, but my matlab is 7.1. if i wanna use matlab C++ math library to programme, how can i setup my VC link?? why matlab7.1 doesn't have "extern->include->cpp" file??? In using matlab C++ math library , what difference between matlab 6.X and matlab7.1??? ...

I'm trying to link a C function in Matlab version 7.0 (R14), it gives me an error which reads Error unravel.c: 25 redeclaration of `mexFunction' previously declared at C:\MATLAB701\extern\include\mex.h 138. Could u plz provide me the workaround? The function is the same one given on Digital Image Processing using MATLAB (II Ed.) by Gonzalez, Woods on page no. 305 for ur reference. thanx...Limi ...

Is it possible to call MatLab or a MatLab function in C or C++? If so, where can I find info on how to do that? Mike On Feb 11, 8:57 am, "Michael Stachowsky" <mstachow...@gmail.com> wrote: > Is it possible to call MatLab or a MatLab function in C or > C++? If so, where can I find info on how to do that? > > Mike See the Matlab engine http://www.mathworks.com/access/helpdesk/help/techdoc/matlab_external/f38569.html Chris "Michael Stachowsky" <mstachowsky@gmail.com> wrote in message <fopk7d$bs2$1@fred.mathworks.com>... > Is it possibl...

Dear all, Can C++/STL/Boost do the vectorized calculation as those in Matlab? For example, in the following code, what I really want to do is to send in a vector of u's. All other parameters such as t, l1, l2, l3, etc. are scalars... But u is a vector. Thus, t6 becomes a vector. t9 is an element-wise multiplication... The following code was actually converted from Matlab. If vectorized computation is not facilitated, then I have to call this function millions of times. But if vectorized computation is okay, then I can send in just a u vector with batch elements a time. I have many such code in Matlab need to be converted into C++ with vectorization. Any thoughts? Thank you! double t5, t6, t7, t9, t11, t13, t16, t20, t23, t27, t32, t34, t36, t37, t38, t42, t44, t47, t48, t51, t52, t54, t59, t60, t61, t66, t67, t69, t74, t75, t76, t81, t82, t84, t87, t105, t106, t110, t112; t5 = exp(-t * l1 - t * l2 - t * l3); t6 = t * u; t7 = mu1 * mu1; t9 = u * u; t11 = kappa * kappa; t13 = 0.1e1 / (t9 * t7 + t11); > Dear all, > > Can C++/STL/Boost do the vectorized calculation as those in Matlab? > > For example, in the following code, what I really want to do is to > send in a vector of u's. > > All other parameters such as t, l1, l2, l3, etc. are scalars... > > But u is a vector. > > Thus, t6 becomes a vector. > > t9 is an element-wise multiplication... > > The following code was actually converted f...

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