Department of Basic Course, Yellow River Conserrancy Technical Institute, Kaifeng 475001 China; College of Mathematics and Information Sciences, Henan University, Kaifeng 475001, China
About author:ZHU Dong-mei(1958-),female,native of Kaifeng,Henan,a senior lecturer of Yellow River Conserrancy Technical Institute,engages in nonlinear programming;WANG Zhi-guo(1954-),male,native of Xinzheng,Henan,an associate professor of Henan University,engages in nonlinear programming.
