1. Splines (with optimal knots) are better;Burchard;Appl. Anal.,1974
2. A practical guide to splines;de Boor,1978
3. BERT: Pre-training of deep bidirectional transformers for language understanding, arxiv abs/1810.04805;Devlin,2019
4. An image is worth 16x16 words: Transformers for image recognition at scale, arxiv abs/2010.11929;Dosovitskiy,2020
5. Efficient particle swarm optimization approach for data fitting with free knot B-splines;Gálvez;Comput. Aided Des.,2011