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//Example No. 8_01
//Gauss Jacobi
//Page No. 254
clear ; close ; clc ;
A = [ 2 1 1 ; 3 5 2 ; 2 1 4];
B = [ 5 ; 15 ; 8];
x1old = 0 ,x2old = 0 , x3old = 0 //intial assumption of x1,x2 & x3
disp('x1 = (5 - x2 - x3)/2 ')
disp('x2 = (15 - 3x1 - 2x3)/5 ')
disp('x3 = (8 - 2x1 - x2)/4')
for i = 1:4
printf('\n Iteration Number : %d\n',i)
x1 = (5 - x2old - x3old)/2 ;
x2 = (15 - 3*x1old - 2*x3old)/5 ;
x3 = (8 - 2*x1old - x2old)/4 ;
printf(' \n x1 = %f\n x2 = %f\n x3 = %f\n',x1,x2,x3)
x1old = x1;
x2old = x2;
x3old = x3;
end
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