Answer to Question #246686 in Math for Thivhu

Question #246686

Consider the system 2x1 +2x2 +6x4 = 16 4x1 +2x2 −2x3 +2x4 = 28 6x1 −2x2 −2x3 +4x4 = 14 −2x1 +4x2 +6x3 −2x4 = −14 (a) Find the PA = LU factorisation of the coefficient matrix (b) Use the PA = LU factorisat

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