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Help me write Fortran code

  1. Sep 16, 2010 #1
    I'm looking for a fortran code to calculate second-order derivative from a dataset. Please help me!
     
  2. jcsd
  3. Sep 17, 2010 #2

    minger

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    Write a subroutine which calculates a derivative based on any method you want. Send your data to that subroutine to calculate the first derivative, then re-send that data again to get the second derivative.
     
  4. Sep 17, 2010 #3
    thank you very much!
     
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