function y=f(x)
y=x-cos(x)
endfunction

function y=fp(x)
y=1+sin(x)
endfunction

x0=-1.0;
n=10;

x(1)=x0;
for i=1:n
  x(i+1) = x(i) - f(x(i)) / fp(x(i));
end
disp(x)