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Error question

  1. Jul 12, 2007 #1
    if given two points each with different x and y coordinates, what is the best way to define the error between these two points?
  2. jcsd
  3. Jul 12, 2007 #2


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    How do points have an "error"? About the only measurement I see is the distance between the points:
    [tex]\sqrt{(x_1-x_2)^2+ (y_1-y_2)^2}[/itex]
  4. Jul 12, 2007 #3
    Like if one point is the true location and you want to say how much off the second point is. I guess the distance between them would be the best way to display this...
  5. Jul 12, 2007 #4
    say there are two boxes that are not equal in size but close that are overlapping. is there an equation that can calculate how much the "wrong" box is covering the "true" box in percentage form?
  6. Jul 12, 2007 #5

    matt grime

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    Work out the areas.
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