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Program that writes tensor equations out

  1. Feb 21, 2015 #1
    Hi, I'm looking for a program that spits out fully summed index equations. For example [itex]T_{ii}[/itex] in, out comes [itex]T_{11}+T_{22}+...[/itex] and so on, with Einstein summation convention.
  2. jcsd
  3. Feb 21, 2015 #2


    Staff: Mentor

    Some programming languages have features to iterate over arrays. MATLAB is one example.

    However I've not seen any that will do the expansion.

    Why do you need this?
  4. Feb 21, 2015 #3


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    Gold Member

  5. Feb 23, 2015 #4
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