参考文献

[1] Cook, John D. Unit Speed Curve Parameterization, 2018. https://www.johndcook.com/blog/2018/07/15/unit-speed-curve/.

[2] Parametric Curves and Splines; Cubic Splines: Hermite, Cardinal, Catmull-Rom. http://web.eecs.umich.edu/～sugih/courses/eecs487/syllabus.html; University of Michigan.

[3] Length and Natural Parametrization. https://en.wikipedia.org/wiki/Differential_geometry_of_curves#Length_and_natural_parametrization;wikipedia.

[4] Newton's Method. https://en.wikipedia.org/wiki/Newton%27s_method; wikipedia.