Question: Using the matrices below solve the following problems. 1. Find the elementary matrix/matrices to represent A is an upper diagonal matrix U (i.e. Ek .

Using the matrices below solve the following problems.

1. Find the elementary matrix/matrices to represent A is an upper diagonal matrix U (i.e. Ek . . . E2EIA = U). 2. Calculate the lower diagonal matrix L 3. Solve Ly = b for y = 4. Let Let y = Ux. Solve for a =

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