Newton Fractal

Complex root-finding via Newton's method — click to zoom

Polynomial

z³−1
z⁴−1
z⁵−1
z³−2z+2
z⁴−z

Render

Click canvas to zoom in
Newton's method: z ← z − f(z)/f'(z). Each pixel is a starting point in ℂ. Color = which root was found. Brightness = convergence speed.