Find A -1 as in Exercise 17, using A from Exercise 3. Data from in Exercise 17
Question:
Find A-1 as in Exercise 17, using A from Exercise 3.
Data from in Exercise 17
When A is invertible, MATLAB finds A-1 by factoring A = LU (where I may be permuted lower triangular), inverting L and U, and then computing U-¹L-¹. Use this method to compute the inverse of A.
Data from in Exercise 3
Solve the equation Ax = b by using the LU factorization given for A.
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1 L 3 4 1 LI 3 4 2 10 0 0 1 so I 0 2 1 1 0 U 03 1 0 0 0 0 1 0 1 0 0 1 0 0 1 1 0 0 10 0 1 1 1 3 1 0 ...View the full answer
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Related Book For 
Linear Algebra And Its Applications
ISBN: 9781292351216
6th Global Edition
Authors: David Lay, Steven Lay, Judi McDonald
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