A Coons Patch Spanning a Finite Number of Curves Tested for Variationally Minimizing Its Area

Figure 4

Straight lines 𝐿_𝑖(𝑢) and 𝐿_𝑖+1(𝑢) joined by first-, second, and third-step function representations, respectively, for 𝑖=1,  𝑙=20, 𝑢_𝑖=0.25, 𝜖=0.01, and 𝑘=5.

(a)

(b)

(c)