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Math Help - Plotting in maple

  1. #1
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    Plotting in maple

    I haven't used maple for a while and this could be a totally crazy question to ask. I was wondering if it is possible to plot a function of a function?

    I have a function where the only variable in it is a function itself however I don't have an expression for this inner function but I do have restrictions.

    e.g if I had something like
    x=a+ b+c

    where a and b are constants and c is a function of t. Is it possible to produce a graph of x verses t?
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  2. #2
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    Re: Plotting in maple

    Quote Originally Posted by blackgoldj View Post
    I haven't used maple for a while and this could be a totally crazy question to ask. I was wondering if it is possible to plot a function of a function?

    I have a function where the only variable in it is a function itself however I don't have an expression for this inner function but I do have restrictions.

    e.g if I had something like
    x=a+ b+c

    where a and b are constants and c is a function of t. Is it possible to produce a graph of x verses t?
    I think this is what your question is asking.

    Code:
    First define your function of x
    
    f:=x->x^2-x sin(x);
    
    Now define x as a function of t.
    
    x:=2-3t;
    
    plot(f(x),t=-2*Pi..2*Pi)
    If this is not what you want please clarify.
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  3. #3
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    Re: Plotting in maple

    That is sort of what I was asking.

    My problem is I don't actually have an expression for x. I know it's in terms of t but I don't have a form for it.

    Is it still possible to plot this? My guess is not but I just want to check.
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  4. #4
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    Re: Plotting in maple

    Quote Originally Posted by blackgoldj View Post
    My problem is I don't actually have an expression for x. I know it's in terms of t but I don't have a form for it.
    What type of relationship do you have between x and t?

    If your first post you said that

    x=a+b+c(t)

    are you saying that you don't have an expression for c(t)?

    If you only have an implicit relationship that is fine.
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  5. #5
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    Re: Plotting in maple

    No I don't have an expression for c(t).

    I guess that means I can't plot the graph.
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