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What is this operator?

  1. Mar 18, 2009 #1
    1. The problem statement, all variables and given/known data

    the limit of [theta] / theta

    as theta goes to 3 from the left hand side

    The brackets though, are only the bottom half of a bracket, like an L and the mirror image of an L around the theta. The solution manual shows the answer is 2/3. I'm really quite confused on what the half bracket operator could be. Thanks in advance.
     
  2. jcsd
  3. Mar 18, 2009 #2
    It's the floor function. It means that you round down to the closest whole number.

    So for example floor(9.6) would be rounded down to 9.
     
    Last edited: Mar 19, 2009
  4. Mar 18, 2009 #3

    Dick

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    Science Advisor
    Homework Helper

    Uh, aren't ceil and floor different? You defined one and then used the other in your example. Sorry to nitpick. :)
     
  5. Mar 19, 2009 #4
    Hehe, typo -- fixed
     
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