1. How are basis functions for piecewise polynomial interpolation different from basis functions for polynomial interpolation of the sort discussed in Chapter 10?
2. What is a nodal method?
3. Define a hat function and explain its use.
4. In what ways is the B-spline similar to the hat function?
5. How do parametric curves arise?
6. Define the Bézier polynomial and explain its use in CAGD.