matrix....gauss elimintion
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hi ... last night i wrote complete code but if i run this ...show me errors... so could you write me complete gauss elimination for matlab...that solve 3*3 matrix fun and over there matrix. thanks i sent my code for matlab.....i will wait for you
clear all
clc
c = input ('please enter matrix :'); %matris elim zarib
disp(c);
b=input('please enter matrix :'); %ansewr matrix
disp(b);
b = b';
A = [c b];
A(2,:) = A(2,:) A(1,:)/A(1,1)*A(2,1);
A(3,:) = A(3,:) A(1,:)/A(1,1)*A(3,1);
A(4,:) = A(4,:) A(1,:)/A(1,1)*A(4,1);
A(4,:) = A(4,:) A(2,:)/A(2,2)*A(4,2);
A(4,:) = A(4,:) A(3,:)/A(3,3)*A(4,2);
x(4) = A(4,5)/A(4,4)
x(3) = (A(3,5) A(3,4)*x(4))/A(3,3)
x(2) = (A(2,5) A(2,4)*x(4) A(2,3)*x(3))/A(2,2)
x(1) = (A(1,5) A(1,4)*x(4) A(1,3)*x(3))/A(2,2) A(1,2)*x(3)-A(1,1)
x = x'
when i run on the A(2,:) = A(2,:) A(1,:) at the A between )A(1 ask me what is it? when i input * / + - it's wrong..
3 commentaires
Geoff Hayes
le 2 Déc 2015
masoud - I don't understand your comment. Please post your updated code (that which you have changed) and indicate what (if any) problems or errors you are observing with it.
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