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How to know whether the least squares approximation exitsts.

  1. Aug 1, 2010 #1
    How would one know when to find the least squares approximation?
     
  2. jcsd
  3. Aug 2, 2010 #2

    HallsofIvy

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    Science Advisor

    So now you have placed this in separate thread? Good.

    An approximation to some value always exists. Whether it is a "good" approximation or not depends on your standard for "good".
     
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