Passive Dynamic equation finding

hi i am attaching three files for reference my question is i want to find the values for thetamin and thetamax for my case in which the passive dynamic (figure) matches with my system of orientation ......

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[Bilal sadiq]

[Bilal sadiq]

[Bilal sadiq]

So NOW THE QUESTION IS HOW CAN I FIND THE thetamin and thetamax for my following system so that it follow the curve as of figure 4.2

Answer 1

[Bilal sadiq]

No one interested to answer me ?

[Walter Roberson]

Looks like an algorithm question, not a MATLAB question.

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

[Bilal sadiq]

Dear Walter Roberson if it like an algorithm question ,,,,then please answer me to help i shall be very grateful to you

[Walter Roberson]

I have no idea. You should ask in a forum that deals with dynamics or control systems or whatever. We can help you understand MATLAB error messages, and we can help track down routines that do specific tasks.

Answer 2

[Bilal sadiq]

if true
  % code
end

[Bilal sadiq]

here is my question as i want to linearize this system can you please help me for this

[Bilal sadiq]

No one help me?

[Walter Roberson]

Sorry, I do not have any experience with linearizing systems.

[Bilal sadiq]

Then can you help me in deriving mathematical model if i post a question or for that you also have no experience for such problems

[Walter Roberson]

I had a lot of difficulty with Dynamics when I studied it for about 6 weeks, 39 years ago.

[Bilal sadiq]

39 years ago ............and you are saying that you find difficulty with dynamics..........strange (in other word i can say you are not serious to help others) i beg your pardon....

[Walter Roberson]

I think it was summer of 1980 that I had that course, so 39 years ago we would have been in the last full week of classes on the topic, just about to start exams.

It was a first year physics course, that covered several major topics in physics, including friction and dynamics. It was my worse course that term. My major was Mathematics, because in that particular university at that time, Computer Programming was under Mathematics. In high school I had enjoyed Chemistry, and Physics, so I took those in university as well; unfortunately it turned out that I struggle with applied calculus (later I was really badly flub my Quantum Physics course for the same reason.)

Not everyone is good in every branch of mathematics, engineering, and sciences. Eventually it turned out that my best topics were Logic, and Computing Theory.

I think I have made it clear that you are asking about theory and algorithm of a topic that I do not understand.

I have also tried to make it clear that this forum, MATLAB Answers, is not a resource for questions about engineering theory or algorithms: the volunteers here are from a variety of backgrounds, and most of us have little experience in any particular topic in Engineering. You are advised to find a discussion resource that deals with your particular topic, and find out how to do what you want, and then start implementing. We can assist you with error messages you encounter in your implementation, and in helping to find MATLAB functions that have specific purposes.

Or you can read scientific papers that might give more information about the process, such as https://www.cs.cmu.edu/~hgeyer/Teaching/R16-899B/Papers/McGeer90IJRR.pdf

[Walter Roberson]

For more information, see http://www.davedoyle.com/prof/pastProjects/Nerd/humor/ultimate_final.html

[Bilal sadiq]

Thanks walter for your clarification bout your concept and devotion