分段函数，就是对于自变量x的不同的取值范围，有着不同的解析式的函数。它是一个函数，而不是几个函数；分段函数的定义域是各段函数定义域的并集，值域也是各段函数值域的并集。
... Absolute Value Function绝对值函数 Piece-wise Function分段函数 Rounding Function取整函数 ...
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... the e greatest-integer function 取整函数 piecewise e function 分段函数 function n property 函数性质 ...
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化简分段函数表达式 simplify/piecewise
分段线性函数 [数] piecewise linear function ; Piecewise linear ; segmental linear functions
分段定义函数 Piecewise defined function
分段正则函数 piecewise regulated function
分段可微函数 piecewise differentiable function
分段双线性函数 piecewise bilnear function
分段线性函数发生器 [计] piecewise linear function generator
分段常值函数 [数] piecewise constant function
一组分段常值函数 piecewise-constant function
In order to describe this phenomenon, we characterize the overall dose-response relationship with a piecewise function that consists of a quadratic curve which is assumed to be U-shape curve and another quadratic curve at high dose levels.
因此我们这里用两个二次函数组成的分段函数构成了这种毒物兴奋效应现象的剂量—反应模型,其中较低剂量水平下的二次函数是U形曲线。
参考来源 - 基于分段函数的剂量—反应模型的参数估计和模型选择·2,447,543篇论文数据，部分数据来源于NoteExpress
分段函数一直是高等数学教学中的重点和难点内容。
The segmented function has always been emphasis and difficulty in higher mathematics teaching.
将二层规划目标简化为分段函数，提出基于记忆的改进克隆算法。
A simplified objective function and a modified clonal algorithm (CLONALG) based on memory are proposed.
本文主要叙述分段函数的求导方法，并对分段函数在分界点处的求导作了细致的讨论。
This article points out the methods to solve the derivative of piecewise function and discusses the derivative problem at point of demarcation of piecewise function in detail.
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