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Solving for t

  1. Sep 20, 2004 #1
    after much stress i now have

    ln(t +1) - t = (-ln399)/4

    i am not sure how you would proceed about isolating for t. i have tried using the exponential and other algebraic tactics but it has been to no avail. some sort of suggestion would be much appreciated.
  2. jcsd
  3. Sep 20, 2004 #2


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    I'm afraid you're out of luck! There is no simple solution to your equation (i.e. you can't isolate t) and you'll have to resort to numerical approximation.
  4. Sep 20, 2004 #3


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    There is a thing called "Lambert's W function" that can be used to solve such equations- but it is not an "elementary function". Here is a reference:
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