Continuous variable 连续变量

阅读量:

变量按其数值表现是否连续,分为 连续变量离散变量。在一定区间内可以任意取值的变量叫连续变量,其数值是连续不断的,相邻两个数值可作无限分割,即可取无限个数值。

A continuous variable is one which can take on an uncountable set of values.

For example, a variable over a non-empty range of the real numbers is continuous, if it can take on any value in that range. The reason is that any range of real numbers between $a$ and $b$ with $a,b \in \mathbb{R}$ is infinite and uncountable.

取值无法一一列举,且总数是不确定的,如所有的自然数(0、1、2、3……)。

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