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QGenericMatrix vs Eigen

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  • F Offline
    F Offline
    fem_dev
    wrote on last edited by
    #1

    I'm developing a Qt C++ appplication and I need to do some linear algebra operations and store 2D and 3D matrix data.
    Maybe the N-dimensional case will be necessary too.

    I saw that Qt have the QGenericMatrix class (link).

    So, is there any advantages to inclue Eigen (link) in my project and use it instead of use QGenericMatrix?

    kshegunovK 1 Reply Last reply
    0
    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      AFAIK, Eigen is designed for your use case. QGenericMatrix represents a transformation matrix.

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

      1 Reply Last reply
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      • F fem_dev

        I'm developing a Qt C++ appplication and I need to do some linear algebra operations and store 2D and 3D matrix data.
        Maybe the N-dimensional case will be necessary too.

        I saw that Qt have the QGenericMatrix class (link).

        So, is there any advantages to inclue Eigen (link) in my project and use it instead of use QGenericMatrix?

        kshegunovK Offline
        kshegunovK Offline
        kshegunov
        Moderators
        wrote on last edited by
        #3

        @fem_dev said in QGenericMatrix vs Eigen:

        So, is there any advantages to inclue Eigen (link) in my project and use it instead of use QGenericMatrix?

        @SGaist is right, Qt does this only because it doesn't use a ready-made package. If you really need LA, then Qt ain't your thing for the job.

        Read and abide by the Qt Code of Conduct

        1 Reply Last reply
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