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Homework Help: Problem in understandind sultion in numerical analisys

  1. Jun 25, 2010 #1
    A)
    calculate [tex]I=\int_{0}^{1}\cos(\frac{\pi}{2}x^2)[/tex]
    by trapeze methos in those pannels
    m=1,2,4,8
    ?

    B)
    what is the best aproximation we can get from part A of the question?

    solution:
    the solution for part A is
    http://i47.tinypic.com/2vmh4b9.jpg

    my problem start with the solution of part B

    http://i45.tinypic.com/b4jorq.jpg

    how they find [tex]T_{2,1}[/tex] for example??
    how each index plays a role in the formula
    by what formula they work on??

    how they find out that the best approximation is[tex] T_{3,1}[/tex]
    ??
     
  2. jcsd
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