Given the equations 8х1 + 4x2 — хз — 11 — 2х1 + 5х2 + хз — 4 2х1 — х2 + 6х; — 7 a. Solve by LU decomposition b. Determine the matrix inverse. Check your results by verifying that [A][A]¯t=[1]. c. Verify your result in part a and b using matrix operations in Excel.

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Subject: Numerical method and analysis I NEED A SOLUTION
Given the equations
8х1 + 4x2 — хз — 11
— 2х1 + 5х2 + хз — 4
2х1 — х2 + 6х; — 7
a. Solve by LU decomposition
b. Determine the matrix inverse. Check your results by verifying
that [A][A]¯t=[1].
c. Verify your result in part a and b using matrix operations in
Excel.
Transcribed Image Text:Given the equations 8х1 + 4x2 — хз — 11 — 2х1 + 5х2 + хз — 4 2х1 — х2 + 6х; — 7 a. Solve by LU decomposition b. Determine the matrix inverse. Check your results by verifying that [A][A]¯t=[1]. c. Verify your result in part a and b using matrix operations in Excel.
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