Monotonicity Preserving Rational Quadratic Fractal Interpolation Functions

Figure 1

Quadratic FIFs.

(a) FIF ℎ^∗ with 𝛼=(0.9,−0.9,0.9)

(b) FIF ℎ^∗ with 𝛼=(0.5,−0.6,0.2)

(c) FIF ℎ^∗ with 𝛼=(0.2,0.1,−0.1)