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Consider the system of equations a. Solve for x1, x2, x3, and x4 (in order)...

Consider the system of equations

a. Solve for x1, x2, x3, and x4 (in order) by forward substitution.

b. Write this system in matrix notation Ax = b, where x = [x1, x2, x3, x4]T . Determine the LU factorization A = LU, where L is unit lower triangular and U is upper triangular.

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Solutions For Problems in Chapter 8.1
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