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8/16/2019 Fttttttttttttttttttttttttttttttttnttittt Putfijottttttttttttttt
http://slidepdf.com/reader/full/fttttttttttttttttttttttttttttttttnttittt-putfijottttttttttttttt 1/1
function puntofijo()
xf(1)=input('Ingrese el valor inicial: ');
tol=input('Ingrese el porcentaje de error: ');
syms x;
f=input('Ingrese la función f(x), despejada g(f(x)): ');
i=1;
ea(1)=1;
!"ile a#s(ea(i)$=tol),
xf(i%1) = su#s(f,x,xf(i));
ea(i%1) = a#s((xf(i%1)&xf(i))xf(i%1))1;
i=i%1;
end
fprintf('s*t*t*ts*t*t*ts*n','i','x','ea');
for j=1:i;
fprintf('+d *t 11-f *t -.f *n',j&1,xf(j),ea(j));
end
function #iseccion()
f=input('/scri#a una funcion de x : ','s');
syms x
cifras=input('0uantas cifras significativas: ');
es=12(+&cifras);
xl=input('Ingrese xl: ');
xu=input('Ingrese xu : ');
xr=(xl%xu)+;
fxl=su#s(f,xl);
fxr=su#s(f,xr);
if (fxlfxr3)
xu=xr;
else xl=xr;
end
xanterior=xr;
xr=(xl%xu)+;
ea=a#s((xr&xanterior)xr)1;
!"ile (ea$es)
fxl=su#s(f,xl);
fxr=su#s(f,xr);
if (fxlfxr3)
xu=xr;
else
xl=xr;
end xanterior=xr;
xr=(xl%xu)+;
ea=a#s((xr&xanterior)xr)1;
end
disp('4a rai5 solucion es: ');
disp(xr)