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QUESTION
Use LU decomposition to determine the matrix inverse for the following system. Do not use a pivoting strategy, and check your results by implementing...
Use LU decomposition to determine the matrix inverse for the following system. Do not use a pivoting strategy, and check your results by implementing LU decomposition in MATLAB environment.
20x1+4x2−2x3=54
−6x1−12x2+4x3=−123
x1+x2+5x3=−21.5
