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How to plot Poincare section using MatCont?

Yanqiu Li
2019-03-29
2019-05-29
  • Yanqiu Li

    Yanqiu Li - 2019-03-29

    I want to plot a Poincare section on an orbit. I have seen an example in "MATCONT and CL MATCONT:
    Continuation toolboxes in matlab" and it is said that "The NS point can be used as a starting point for the computation of a discrete orbit in the Poincar´e section (called DO in the GUI) for a slightly decreased value...".
    They give the attached figure, however, I don't understand how to get the red Poincare section. Can anyone show me that one by one step? Thank you very much.

     
    • hilmeijer

      hilmeijer - 2019-05-29

      Dear Yanqiu,

      I have observed that the code that should do this in matcont versions up to 6p11 is not doing this correctly. I have worked a bit on it but it requires more testing before I put it online.

      In version 7pX this should work better. Create a user function to do this as in the manual.

      Best regards, Hil Meijer


      From: Yanqiu Li yanqiu@users.sourceforge.net
      Sent: Friday, March 29, 2019 1:37:59 PM
      To: [matcont:discussion]
      Subject: [matcont:discussion] How to plot Poincare section using MatCont?

      I want to plot a Poincare section on an orbit. I have seen an example in "MATCONT and CL MATCONT:
      Continuation toolboxes in matlab" and it is said that "The NS point can be used as a starting point for the computation of a discrete orbit in the Poincar´e section (called DO in the GUI) for a slightly decreased value...".
      They give the attached figure, however, I don't understand how to get the red Poincare section. Can anyone show me that one by one step? Thank you very much.


      How to plot Poincare section using MatCont?


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