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Mathematica notebook not working

  1. Mar 1, 2010 #1
    1. The problem statement, all variables and given/known data
    I am trying to find Rydberg's constant. I took measurements using a spectroscope and now I want to do a NonLinearModelFit on the following function:

    [tex]\theta = \theta_0 + \alpha + \Arcsin{p k - \Sin{\alpha}}[/tex]

    Where p is 1/(d*Rh). I know [tex]d[/tex] and so I can calculate [tex]R_H[/tex] if I know [tex]p[/tex]. Problem is, I can not get the fit method to work in mathematica, but I don't see what is wrong.

    3. The attempt at a solution

    View attachment 24028

    Could anyone please take a look?
     
    Last edited: Mar 1, 2010
  2. jcsd
  3. Mar 2, 2010 #2

    Mapes

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    Try giving p an initial value of 0.
     
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