User:Zhangzk

Welcome to my Wikipedia user page. I am a Chinese mathematician interested in pages on mathematics, mathematicians, science, and culture. I joined Wikipedia on 25 March 2013.

Pages that I started

 * NEWUOA (January 14, 2014, Coimbra, Portugal)
 * LINCOA (January 18, 2014, Coimbra, Portugal)
 * Derivative-free optimization (January 18, 2014, Coimbra, Portugal)
 * BOBYQA (February 14, 2014, Coimbra, Portugal)
 * TOLMIN (optimization software) (April 6, 2015, Toulouse, France)
 * Tolmin (disambiguation) (April 6, 2015, Toulouse, France)
 * UOBYQA (April 6, 2015, Toulouse, France)
 * International Day of Mathematics (March 15, 2020, Hong Kong, China)
 * PDFO (Powell's Derivative-Free Optimization solvers)
 * English (April 14, 2020, Hong Kong, China)
 * 中文 (May 30, 2020, Hong Kong, China)
 * Deutsche (June 4, 2020, Hong Kong, China),
 * Italiano (June 4, 2020, Hong Kong, China)
 * Españo (June 4, 2020, Hong Kong, China)
 * Michael J. D. Powell (中文维基, July 7, 2020, Shenzhen, China)

Pages that I edited
世界科学院院士, 信赖域方法, 袁亚湘, 中国数学会, Barbapapa, CMA-ES, COBYLA, International Council for Industrial and Applied Mathematics, List of optimization software, Michael J. D. Powell, Municipality of Tolmin, Nelder–Mead method, Sylvester equation, Trust region, PDFO, Pi Day,,  Tolmin