Powell, M. J. D.; Sabin, M. A. Piecewise quadratic approximations on triangles. (English) Zbl 0375.41010 ACM Trans. Math. Softw. 3, 316-325 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 5 ReviewsCited in 189 Documents MSC: 41A30 Approximation by other special function classes PDF BibTeX XML Cite \textit{M. J. D. Powell} and \textit{M. A. Sabin}, ACM Trans. Math. Softw. 3, 316--325 (1977; Zbl 0375.41010) Full Text: DOI OpenURL