Question: Moving to a 4 by 4 difference equation Ax=b, find the four components X, X, x3, x4. Then write this solution as x =

Moving to a 4 by 4 difference equation Ax=b, find the four components X, X, x3, x4. Then write this solution as x = A-b to find the inverse matrix: Ax= 1 -1 0 0 1 0X3 -1 1 LX4. = b b3 b b

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