Local Convexity-Preserving 𝐶² Rational Cubic Spline for Convex Data

Table 2

Numerical results of Figure 1(d).

𝑖	1	2	3	4	5	6	7
𝑑𝑖	−1.2	−0.7743	−0.1143	0	0.1143	0.7743	1.2
Δ𝑖	−1.0	−0.3	−0.05	0.05	0.3	1.0	—
𝑢𝑖	1.5	1.5	1.5	1.5	1.5	1.5	—
𝑣𝑖	1.5	1.5	1.5	1.5	1.5	1.5	—
𝑤𝑖	1.1165	1.0776	0.0598	0.0598	1.0776	1.1165	—