On Constructing Two-Point Optimal Fourth-Order Multiple-Root Finders with a Generic Error Corrector and Illustrating Their Dynamics

Figure 4

(a) for Kan, (b) for Sol, and (c) for Zhou and (d) for 1D, (e) for 1G, (f) for 2D, and (g) for 2G, for the roots of the polynomial .

(a)

(b)

(c)

(d)

(e)

(f)

(g)