Monotonicity Preserving Rational Quadratic Fractal Interpolation Functions

Figure 5

Derivatives of the rational quadratic FIFs and the classical rational quadratic interpolant.

(a) Derivative of rational quadratics FIF in Figure 4(a)

(b) Derivative of rational quadratics FIF in Figure 4(b)

(c) Derivative of rational quadratics FIF in Figure 4(c)

(d) Derivative of rational quadratics FIF in Figure 4(d)

(e) Derivative of rational quadratics FIF in Figure 4(e)

(f) Derivative of classical rational quadratic interpolant in Figure 4(f)