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I'm trying to find a way to manipulate a function and its derivative, but two variables of the function change. Is there a way to manipulate multiple graphs with the same set of parameters? Meaning, if I increase a variable for the function, the derivative will adjust to it?

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closed as off-topic by m_goldberg, MarcoB, user9660, Yves Klett, Michael E2 Mar 10 '16 at 12:35

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question cannot be answered without additional information. Questions on problems in code must describe the specific problem and include valid code to reproduce it. Any data used for programming examples should be embedded in the question or code to generate the (fake) data must be included." – MarcoB, Community, Yves Klett, Michael E2
If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ Welcome to Mathematica.SE! I suggest the following: 0) Browse the common pitfalls question 1) As you receive help, try to give it too, by answering questions in your area of expertise. 2) Read the faq! 3) When you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember to accept the answer, if any, that solves your problem, by clicking the checkmark sign! $\endgroup$ – Dr. belisarius Mar 10 '16 at 4:33
  • $\begingroup$ Take a look at Manipulate. On demonstrations.wolfram.com you can find lots and lots of examples on what you can do with that. $\endgroup$ – Yves Klett Mar 10 '16 at 7:07
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How about this...

f[n_, x_] := Sin[2 Pi n x];
g[n_, x_] := D[f[n, x], x]; 
Manipulate[Plot[{f[n , x], Evaluate[g[n, x]]}, {x, 1, 10}], {n, 0.5, 4}]
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  • $\begingroup$ This works very well. Thank you. I can't up-vote you because I don't have reputation. $\endgroup$ – Anon E. Muss Mar 10 '16 at 3:47
  • $\begingroup$ @AnonE.Muss. you can, however, accept the answer, To do so, click on the check mark that appears under down arrow to the left of this answer. $\endgroup$ – m_goldberg Mar 10 '16 at 3:52
  • $\begingroup$ sweet! there, I did it . $\endgroup$ – Anon E. Muss Mar 10 '16 at 3:53

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