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Sigma interpretation

  1. Feb 17, 2010 #1
    I just need a quick clarification on how to read this function

    f(x) = sigma of X^2, starting at j=1, and n

    so does that mean that f(3) would equal to 36, if n=4?
     
  2. jcsd
  3. Feb 17, 2010 #2
    I forgot to mention that this is a DeJong Equation, and I need to implement in the matlab
     
  4. Feb 17, 2010 #3
    Are you sure this is the function:

    [tex]f(x)=\sum^{n}_{j=1}x^{2}[/tex]

    The term is independing of the sum, so the function is just:

    [tex]f(x)=nx^{2}[/tex]
     
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