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Gauss seidel iteration method

  1. Feb 19, 2017 #1
    1. The problem statement, all variables and given/known data
    Using the circled formula , here's what i gt (photo3) , , why the author ignore the blue circled part ??? Is the author wrong ....

    If the blue part isnt ignored , i gt this pls refer to the photo 3

    which is correct ? The author or me ? Or I'm misunderstanding something ?



    2. Relevant equations


    3. The attempt at a solution
     

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  3. Feb 19, 2017 #2

    BvU

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    From what I can see, you pick ##i = 3## so there is no question of a summation starting with ##j = i + 1 ##
     
  4. Feb 20, 2017 #3
    what do you mean ? Can you explain further ?
     
  5. Feb 20, 2017 #4

    BvU

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    I can not. It is a matter of you carefully reading what's printed. Write out the ##i, j, k## of the summations in full. The one in the blue frame is empty when ##i = 3##: it is a non-starter (there is no ##j = 4##).
     
  6. Feb 20, 2017 #5
    noted, Thanks
     
  7. Feb 20, 2017 #6

    BvU

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    You're welcome.
     
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