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From: Siker on 17 Apr 2010 16:28
hi, that's the problem
0.015=(4+x)/(42-2x)^2*(30-x)
and that's code i wrote

%0.015=(4+x)/(42-2x)^2*(30-x)
%x=-8:0.1:4;
%y=((4+x)./(42-2.*x).^2).*(30-x)-0.015;
%plot(x,y)
%grid
clc;clear;
x0=-4;
x1=-2;
fonk=@(g) ((4+g)/((42-2*g)^2)*(30-g))-0.015;
err=1;
while err > 1e-2
x2=(x1+x0)/2;
if feval(fonk,x2)*feval(fonk,x0)>0
x0=x2;
else
x1=x2;
end
hata=abs(feval(fonk,x2));
end
root=x2

but command window doesn't react because it's busy :/
From: Siker on 17 Apr 2010 16:33
"Siker " <ugur.ersoy(a)msn.com> wrote in message <hqd5kl$lk1$1(a)fred.mathworks.com>...
> hi, that's the problem
> 0.015=(4+x)/(42-2x)^2*(30-x)
> and that's code i wrote
>
> %0.015=(4+x)/(42-2x)^2*(30-x)
> %x=-8:0.1:4;
> %y=((4+x)./(42-2.*x).^2).*(30-x)-0.015;
> %plot(x,y)
> %grid
> clc;clear;
> x0=-4;
> x1=-2;
> fonk=@(g) ((4+g)/((42-2*g)^2)*(30-g))-0.015;
> err=1;
> while err > 1e-2
> x2=(x1+x0)/2;
> if feval(fonk,x2)*feval(fonk,x0)>0
> x0=x2;
> else
> x1=x2;
> end
> hata=abs(feval(fonk,x2));
> end
> root=x2
>
> but command window doesn't react because it's busy :/


oh damn. i found problem :D
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