摘要
利用Schwarz导数和单侧导数分别给出了判断函数单调性和函数凸凹性的几个判定定理.
Basing on Schwarz derivative and unilateral derivative, several decision methods on monotonicity and convex-concave property on continuous functions are provided in this text.
出处
《河南科学》
2009年第8期896-899,共4页
Henan Science
关键词
单调性
凸凹性
SCHWARZ导数
单侧导数
monotonicity convex-concave property
Schwarz derivative
unilateral derivative
