Shape Preserving Interpolation Using Rational Cubic Spline

Figure 3

Comparison of (a) cubic Hermite spline curve, (b) Hussain et al. [10], (c) Abbas et al. [12], and positivity-preserving rational cubic spline with values of shape parameters: (d) ; (e) .

(a)

(b)

(c)

(d)

(e)