- #1
fizzkilla
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Please I need HELP IMEDIATLY
This is the error message that i get
? Error using ==> gauss_sied
Too many input arguments.
Error in ==> HW_14 at 23
[x_wo, cnt, x_w,cntt] = gauss_sied(xo, A, b, es, lam);
clc
clearC = [-8 1 -2 -20
2 -6 -1 -38
-3 -1 7 -34];
A = C(:,1:end-1);
b = C(:,end);nr = length(b);
xo = ones(1,nr); % initial guess
lam = 1.2;
n = 4;
es = .5*10^(2-n);
[x_wo, cnt, x_w,cntt] = gauss_sied(xo, A, b, es, lam);
fprintf(' Solution to [A]{x} = {b}\n')
fprintf('*******************************************\n')
fprintf(' Without Relaxation With Relaxation\n')
fprintf(' ******************** ***************\n')
for i = 1:length(b)
fprintf(' x(i) = %.f x(i) = %.f\n',i,x_wo,i,x_w)
end
fprintf(' ******************** ***************\n')
fprintf(' %i iterations %i iterations\n',cnt,cntt)
fprintf('*******************************************\n')Function program
function [x_wo, cnt,x_w cntt] = gauss_sied(xo, A, b, lam)
%Without Relaxation
nr = length(b);
ea = 1;
cnt = 0;while ea > es
for i = 1 : nr
sm = 0;
for j = 1:nr
if i ~= j
sm = sm + A(i,j) * xo(j);
end
end
x_wo(i) = (b(i) - sm) / A(i,i);
end
ea = 100 * abs((x_wo-xo)./x_wo);
xo = x_wo;
cnt = cnt+1;
end
%With Relaxation
nr = length(b);
ea = 1;
cntt = 0;
while ea > es
for i = 1 : nr
sm = 0;
for j = 1:nr
if i ~= j
sm = sm + A(i,j) * xo(j);
end
end
x_w(i) = (b(i) - sm) / A(i,i);
end
ea = 100 * abs((x_w-xo)./x_w);
x_w = (lam*x_w) + (1 - lam)*xo;
xo = x_w;
cntt = cntt+1;
end
This is the error message that i get
? Error using ==> gauss_sied
Too many input arguments.
Error in ==> HW_14 at 23
[x_wo, cnt, x_w,cntt] = gauss_sied(xo, A, b, es, lam);
clc
clearC = [-8 1 -2 -20
2 -6 -1 -38
-3 -1 7 -34];
A = C(:,1:end-1);
b = C(:,end);nr = length(b);
xo = ones(1,nr); % initial guess
lam = 1.2;
n = 4;
es = .5*10^(2-n);
[x_wo, cnt, x_w,cntt] = gauss_sied(xo, A, b, es, lam);
fprintf(' Solution to [A]{x} = {b}\n')
fprintf('*******************************************\n')
fprintf(' Without Relaxation With Relaxation\n')
fprintf(' ******************** ***************\n')
for i = 1:length(b)
fprintf(' x(i) = %.f x(i) = %.f\n',i,x_wo,i,x_w)
end
fprintf(' ******************** ***************\n')
fprintf(' %i iterations %i iterations\n',cnt,cntt)
fprintf('*******************************************\n')Function program
function [x_wo, cnt,x_w cntt] = gauss_sied(xo, A, b, lam)
%Without Relaxation
nr = length(b);
ea = 1;
cnt = 0;while ea > es
for i = 1 : nr
sm = 0;
for j = 1:nr
if i ~= j
sm = sm + A(i,j) * xo(j);
end
end
x_wo(i) = (b(i) - sm) / A(i,i);
end
ea = 100 * abs((x_wo-xo)./x_wo);
xo = x_wo;
cnt = cnt+1;
end
%With Relaxation
nr = length(b);
ea = 1;
cntt = 0;
while ea > es
for i = 1 : nr
sm = 0;
for j = 1:nr
if i ~= j
sm = sm + A(i,j) * xo(j);
end
end
x_w(i) = (b(i) - sm) / A(i,i);
end
ea = 100 * abs((x_w-xo)./x_w);
x_w = (lam*x_w) + (1 - lam)*xo;
xo = x_w;
cntt = cntt+1;
end
Last edited: