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Mathematica - Axes Plotting (simple!)

  1. Feb 28, 2010 #1
    Hi there,

    Making a nice visual for a quantum problem, which is finding the probability of finding the object outside of the classically allowed region for n=0,1,2. One problem: How do I make the y-axis stop after the origin so it doesn't mess up my arrows or my text (see attached)?

    Any other advice to spiffy up this graph? Thanks :)

    IHateMayonnaise
     

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  2. jcsd
  3. Feb 28, 2010 #2
    Check out the neat examples in the help file for Plot, they do more or less the exact same thing. Another way to maybe spruce it up is go Frame->True
     
  4. Feb 28, 2010 #3
    Yes that's the first place I went, but I couldn't make sense of it. Can anyone help?

    IHateMayonnaise
     
  5. Mar 2, 2010 #4

    Hepth

    User Avatar
    Gold Member

    You can try Epilog to hide it :

    XX = Plot[0.9 - Sin[x]^2 , {x, -10, 10}, Epilog -> {White, Rectangle[{-1, -0.5}, {1, 0}]}]

    This basically plots the function, then makes a white rectangle at the location, covering the axis after it has been drawn.

    I looked for axis options, but theres nothing, and even changing your plot range is finicky and works or doesn't depending on other graphics and labels.
    There are a lot of "directives" that work with Plot, but aren't listed in Plot's Help.
     
  6. Mar 2, 2010 #5
    Thanks for the reply Hepth. The problem with that is that it will also white out all my other graphics at that location, including lines, text etc., and I can't figure out how to make it "send to back"
     
  7. Mar 2, 2010 #6

    Hepth

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    Gold Member

    Are you using SHOW? I think it automatically draws stuff in order of back to front.

    XX = Plot[Sin[x], {x, 0, 1}];
    Show[Graphics[Rectangle[{0, 0}, {1, 0.5}]], XX,
    Graphics[{Thick, Orange, Circle[{0.5, 0.5}, 0.1]}]]

    If you change the order of SHOW itll stack them.

    So don't even use prolog or epilog, just use SHOW for all your graphics and use the ordering there.
     
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