At the moment all I can get is;
Could anyone give me a starting point?
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.
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