1. function y=f(x)
y=-12.4+10*(0.5*%pi-asin(x/1)-x*(1-x**2)**0.5);
endfunction
function xr=biseccion(xai,xbi,tol)
i=1;
ea(1)=100;
if f(xai)*f(xbi) < 0
xa(1)=xai;
xb(1)=xbi;
xr(1)=(xa(1)+xb(1))/2;
printf('It.tt Xatt Xbtt Xrtt f(Xr)t Error n');
printf('%2d t %11.7f t %11.7f t %11.7f t %11.7f n',i,xa(i),xb(i),xr(i),f(xr(i)));
while abs(ea(i)) >= tol
if f(xa(i))*f(xr(i))< 0
xa(i+1)=xa(i);
xb(i+1)=xr(i);
end
if f(xa(i))*f(xr(i))> 0
xa(i+1)=xr(i);
xb(i+1)=xb(i);
end
xr(i+1)=(xa(i+1)+xb(i+1))/2;
ea(i+1)=abs((xr(i+1)-xr(i))/(xr(i+1)));

2. printf('%2d t %11.7f t %11.7f t %11.7f t %11.7f t %7.6f
n',i+1,xa(i+1),xb(i+1),xr(i+1),f(xr(i+1)),ea(i+1));
i=i+1;
end
else
printf('No existe una raíz en ese intervalo');
end
endfunction