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Matlab to c++ in QT

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #2

    Hi and welcome to devnet,

    From a cursory look, use Matlab to generate the library and then use it as any other C++ library.

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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    • A Offline
      A Offline
      Assaf1990
      wrote on last edited by
      #3

      @SGaist said in Matlab to c++ in QT:

      use Matlab to generate the library and then use it as any other C++ library.

      thank you
      Is there any example about that?

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #4

        About using Matlab's facility to generate C++ ?

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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        • A Offline
          A Offline
          Assaf1990
          wrote on last edited by
          #5

          Thank you sir
          No, I know to use Matlab to generate c++, but after generating c++ from Matlab, how to call this in QT? is there example about that?
          Is this method effective or not?

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #6

            Qt is a C++ framework, use your library as you would with any other C++ library.

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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            • B Offline
              B Offline
              Beahan
              wrote on last edited by Beahan
              #7

              I have tried to compile the MATLAB code to a C++ library using the mcc command with the msvc2008 compiler. For my QT C++ code, I'm using mingw to compile. However, when I try to add in the MATLAB converted C++ code there seems to be a lot of problems.

              Upsers

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #8

                You can't mix and match C++ libraries from different compilers.

                That's is also true for different versions of Visual Studio up to VS2017 that was the first to be backward compatible with VS2015y

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                • N Offline
                  N Offline
                  Neal698
                  Banned
                  wrote on last edited by
                  #9
                  This post is deleted!
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                  • C Offline
                    C Offline
                    Chauncey
                    wrote on last edited by Chauncey
                    #10

                    I'm a grad student who's done most of his programming in Matlab and now, due to speed considerations on numerical simulations, have to program in C++.

                    I am familiar with syntax and some level of OOP concepts, but most of my C++ programming so far has been on Linux, where writing (in Vim) and compiling (g++) has never been an issue.

                    MyFordBenefits

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                    • Kent-DorfmanK Offline
                      Kent-DorfmanK Offline
                      Kent-Dorfman
                      wrote on last edited by
                      #11

                      different systems have different ABI (application binary interface). It's always safest to compile from sourcecode on the target platform. Assuming the same compiler is used to compile the matlab library as the target system you should be able to link in the .o, .a, or .so library file if you have the correct header to describe the interface functions.

                      While matlab is great for non-programmers to do stuff quickly, the matlab c++ output is probably not going to be an optimal c++ object oriented design. Sometimes it is more effective to prove out the algorithm in matlab then hand code it in c++ when porting.

                      If you meet the AI on the road, kill it.

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                      • C Chauncey

                        I'm a grad student who's done most of his programming in Matlab and now, due to speed considerations on numerical simulations, have to program in C++.

                        I am familiar with syntax and some level of OOP concepts, but most of my C++ programming so far has been on Linux, where writing (in Vim) and compiling (g++) has never been an issue.

                        MyFordBenefits

                        jsulmJ Offline
                        jsulmJ Offline
                        jsulm
                        Lifetime Qt Champion
                        wrote on last edited by
                        #12

                        @Chauncey Do you have a question/problem?

                        https://forum.qt.io/topic/113070/qt-code-of-conduct

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                        • Y Offline
                          Y Offline
                          Youmin
                          wrote on last edited by
                          #13

                          Hi !

                          I would also like to convert matlab code to c ++ but I have a lot of error with MatLab Coder.... Like using the "tiff" function for example..

                          I therefore think of redoing everything by hand but I wonder if it is possible to access the matlab functions (like "Tiff") in Qt with a library.

                          I think I understood that it was possible to do this but I do not understand how... Is there a general matlab library or should it be created with your project? Is the use of matlab compiler mandatory?

                          I'm new to matlab so I'll ask you to be specific please :)

                          Thank you in advance :)

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                          • R Offline
                            R Offline
                            randall8479
                            Banned
                            wrote on last edited by randall8479
                            #14
                            This post is deleted!
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                            • L Offline
                              L Offline
                              Louis35
                              Banned
                              wrote on last edited by Louis35
                              #15
                              This post is deleted!
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                              • R Offline
                                R Offline
                                rahulkunal123
                                Banned
                                wrote on last edited by
                                #16
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                                • Christian EhrlicherC Offline
                                  Christian EhrlicherC Offline
                                  Christian Ehrlicher
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #17

                                  Closing this topic - it somehow attracks spammers.

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                                  Visit the Qt Academy at https://academy.qt.io/catalog

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