QUESTION 4 Modify the function file gauss_seidel.m to produce a new function file jacobi.m that implements the Jacobi method. Now use the Jacobi method to solve example 3.2.1, i.e. 20х, + X2 - x, = 17 х, — 10х, + X3 = 13 - - x, + x, +10x, = 18.
QUESTION 4 Modify the function file gauss_seidel.m to produce a new function file jacobi.m that implements the Jacobi method. Now use the Jacobi method to solve example 3.2.1, i.e. 20х, + X2 - x, = 17 х, — 10х, + X3 = 13 - - x, + x, +10x, = 18.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Please use Octave or Matlab - I use Octave so that is preferable
Gauss Seidel function file:
function xnew=gauss_seidel(A,b,xold) n=size(A)(1);
At=A;
xnew=xold;
for k=1:n At(k,k)=0;
end
for k=1:n
xnew(k)=(b(k)-At(k,:)*xnew)/A(k,k); end
endfunction
![QUESTION 4
Modify the function file gauss_seidel.m to produce a new function file jacobi.m that implements
the Jacobi method. Now use the Jacobi method to solve example 3.2.1, i.e.
20х, +
X2 - x = 17
х, — 10х, +
X3 = 13
-x, +
x, +10x, = 18.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1dc6cf95-b131-44cb-bec5-e5cfc8b95147%2Fe5928dc5-00d3-4093-b374-5a05b271cc8e%2Fzp7ytjn_processed.png&w=3840&q=75)
Transcribed Image Text:QUESTION 4
Modify the function file gauss_seidel.m to produce a new function file jacobi.m that implements
the Jacobi method. Now use the Jacobi method to solve example 3.2.1, i.e.
20х, +
X2 - x = 17
х, — 10х, +
X3 = 13
-x, +
x, +10x, = 18.
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