Solve by LU factorization method. 2x1 + x2 + x3 = 1; 4x1 + x2 + x4 =-2; -2x1 + 2x2 + x3 + x4 = 7.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section: Chapter Questions
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b) Solve by LU factorization method.
2x1 + x2 + x3 = 1;
4x1 + x2 + x4 =-23;
-2x1 + 2x2 + x3 + x4 = 7.
Transcribed Image Text:b) Solve by LU factorization method. 2x1 + x2 + x3 = 1; 4x1 + x2 + x4 =-23; -2x1 + 2x2 + x3 + x4 = 7.
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