Find the inverse by the GaussJordan method, showing the details. In Prob. 4 Data from Prob. 4
Question:
Find the inverse by the Gauss–Jordan method, showing the details.
In Prob. 4
Data from Prob. 4
Show the factorization and solve by Doolittle’s method.
2x1 + x2 + 2x3 = 0
-2x1 + 2x2 + x3 = 0
x1 + 2x2 - 2x3 = 18
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