Start from the four equations -Xi+l + 2Xi - Xi-l = i (for i = 1,2,3,4 with Xo = Xs = 0)
Chapter 2, Problem 34(choose chapter or problem)
Start from the four equations -Xi+l + 2Xi - Xi-l = i (for i = 1,2,3,4 with Xo = Xs = 0). Write those equations in their matrix form Ax = h. Can you solve them for Xl, X2, X3, X4?
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