Writing A = LU to solve Ax =(LU)x = b, we obtain twosystems: Ux = y and Ly = b. Consider the system3-1I12Ax = b44-1asT2-2-34T3(i) Obtain L and U(ii) Then solve Ly = b for y.for A .

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Writing A = LU to solve Ax = (LU) x = b, we obtain two systems: Ux = y and Ly = b. Consider the system %3D 2 3 -1 2 Ax = b as 4 4 -1 12 -2 -3 4 13 (i) Obtain L and U for A . (ii) Then solve Ly = b for y.

Writing A = LU to solve Ax = (LU) x = b, we obtain two systems: Ux = y and Ly = b. Consider the system %3D 2 3 -1 2 Ax = b as 4 4 -1 12 -2 -3 4 13 (i) Obtain L and U for A . (ii) Then solve Ly = b for y.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 10RE

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Question

Writing A = LU to solve Ax =
(LU)x = b, we obtain two
systems: Ux = y and Ly = b. Consider the system
3
-1
I1
2
Ax = b
4
4
-1
as
T2
-2
-3
4
T3
(i) Obtain L and U
(ii) Then solve Ly = b for y.
for A .

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