Question: Write a Matlab code that takes a matrix A as input, and returns the matrices L and U (from its LU decomposition) as output. Use

Write a Matlab code that takes a matrix A as input,

Write a Matlab code that takes a matrix A as input, and returns the matrices L and U (from its LU decomposition) as output. Use the code gausselim.m and modify it. Do not use the command lu, tril or triu. Apply your code to the matrix 3 1 2

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