- Type
- Quiz
- Course
- MTH501 Linear Algebra
- Size
- PDF 145 KB
- Updated
- 23 Oct 2026
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Q01. Find the LU decomposition of the following matrix A of order 3 3 4 -2 1
3 6 -1
decomposition is A=LU
1 0 and U= 0 A
Solution
LU
L
A=LU
LU= Now
1. 1. 1. +1. 1. 1.
.4
+1. ( 2)
1. (1) now
.4
( 2)
1. (1)
Now write all the value of L and U matrix
L=
4 -2 1 U
This is the LU decomposition Of matrix A
Q02. Solve the system of linear equation Ax=b where
b x y z x y z x y z
Solution:
Matrix of the given equation is 4 -2 1 3 6 -1 A x X y z b
4 -2 1 3 6 -1 x y z AX b A=LU
1 0 and U= 0
A=LU
LU= L
Now
1. 1.
+1. 1. 1.
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