Zhang, Xiaopeng A uniformly stable method to evaluate all directional derivatives of a BĂ©zier patch. (Chinese. English summary) Zbl 0847.68127 J. Northwest Univ., Nat. Sci. 25, No. 4, 293-296 (1995). MSC: 68U07 68U05 PDFBibTeX XMLCite \textit{X. Zhang}, J. Northwest Univ., Nat. Sci. Ed. 25, No. 4, 293--296 (1995; Zbl 0847.68127)
Zhang, Xiaopeng An efficient algorithm for rational Bernstein polynomials and their all derivatives. (Chinese. English summary) Zbl 0854.65013 J. Northwest Univ., Nat. Sci. 25, No. 2, 101-103 (1995). Reviewer: Wang Xinhua (Hangzhou) MSC: 65D20 26C15 PDFBibTeX XMLCite \textit{X. Zhang}, J. Northwest Univ., Nat. Sci. Ed. 25, No. 2, 101--103 (1995; Zbl 0854.65013)