Question: (5) [10pt] Given is a tridiagonal matrix, i.e., a matrix with nonzero entries only in the diagonal, and the first upper and lower subdiagonals: a

(5) [10pt] Given is a tridiagonal matrix, i.e., a matrix with nonzero entries only in the diagonal, and the first upper and lower subdiagonals: a 1 C1 b1 a2 C2 A = On-2 an-1 Cn-1 bn-1 an Assuming that A has an LU decomposition A = LU with el f1 d 1 L = U = en-1 fn-1 dn-1 en derive recursive expressions for di, ei and fi

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