Lab 06

function [ x ] = Newton(x0, f, fd, N, eps, maxiter)

maxval = maxiter;
x1 = x0;

    for i=N:-1:0
        xn = xx - f(x1) /fd(x1);
        if abs(f(xn)) < eps
            x = xn;
            iter = 100 - N;
            return
        endif

        if abs(f(x1)) > maxval
            disp("Nu converge!");
            break;
        endif

        x1 = xn;
    endwhile
endfunction