560246.fig.004a
(a)
560246.fig.004b
(b)
560246.fig.004c
(c)
Figure 4: For the Hermite data-set ( 0 , 1 , 𝑒 βˆ’ √ βˆ’ 1 3 πœ‹ / 5 , 𝑒 βˆ’ √ βˆ’ 1 πœ‹ / 5 ) , the graph on the left shows that βˆ’ 𝐯 βˆ‰ 𝐷 and 𝐯 βˆ‰ 𝐷 ; the central graph shows the PH cubics 𝐫 ( 𝑑 ) with their control polygons; the graph on the right shows the four interpolants.