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Thread: Central Difference Formula of the Second Derivative of order O(h^4)

  1. #1
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    Central Difference Formula of the Second Derivative of order O(h^4)

    I've done all bar four questions for an assignment, which I'm stuck on; if anyone could help me or point me in the right direction then I'll be in your debt.

    Question 74

    Show the central difference formula of the second derivative of order O(h^4) is expressed by:

    d^2f/dx^2 = (-f(i-2) + 16f(i-1) - 30f(i+1) - f(i+2))/ 15h^2
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  2. #2
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    At the moment all I can get is;



    Could anyone give me a starting point?
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