ах, - 3х, - 6х, -18 4.8х, - 4х, +7.2х, %3-16 а-9 3.2х, - 2х, -2.8х, %3D10

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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i) By using the inverse of the coefficients matrix [A] belonging to the set of equations given above, using the [L][U] method. find it. Check the result with [A][A]^-1 = [I].
ii) Find the unknown vector {X} of the above system of equations by using the found [A]^-1 matrix.{X}=[A]^-1[B]
iii) Solve the system of equations using the [L][U] method and find the results in (ii) Compare with. Find the determinant of the coefficients matrix.

ах, - 3х, — 6х, %318
4.8х, - 4х, +7.2х, %3-16 а-9
3.2х, - 2х, -2.8х, %310
Transcribed Image Text:ах, - 3х, — 6х, %318 4.8х, - 4х, +7.2х, %3-16 а-9 3.2х, - 2х, -2.8х, %310
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