Approximate Implicitization of Parametric Curves Using Cubic Algebraic Splines

Table 1

Approximation error of curve 𝐶₁(𝑡).

	𝑠1	𝑠2	𝑠11	𝑠12	𝑠21	𝑠22
𝑡	(−1,0)	(0,1)	(−1,−0.5)	(−0.5,0)	(0,0.5)	(0.5,1)
Error	0.041	0.023	0.009	0.016	0.014	0.004