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Graph using Maple for Astronomy

  1. Sep 27, 2011 #1
    1. The problem statement, all variables and given/known data

    I am not sure what to do with Maple. I've barely used it at all, but trying to figure out why this won't work with what I have below.

    Plot schematically the change in equilibrium temperature of Earth, if its albedo changes from 0.3 to 0.7 (in 0.1 jumps).

    2. Relevant equations

    [itex]\frac{L(1-a)R^2}{4d^2}[/itex]

    3. The attempt at a solution

    (This assignment is old btw, just wanted to figure out what I did wrong.)

    When I right click on the equation and select plot it assigns my already assigned variables as unknowns between -5 and 5. Really not sure what to do?

    [PLAIN]http://img838.imageshack.us/img838/4474/maplef.jpg [Broken]

    Did I improperly assign the variables or perhaps the function?
     
    Last edited by a moderator: May 5, 2017
  2. jcsd
  3. Sep 28, 2011 #2
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