In: Advanced Math
A non-uniform b-spline curve knot vector is given as (-1, -1, -1, -1/2, 0, 0, 0, 1, 1, 1, 3/2, 2, 2, 3, 3, 3, 3). Show the equation diagrammatically and sketch the curve with their respective control polygons if the curve is cubic (degree 3, order 4).