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单词 Sequential continuity
释义

Sequential continuity

中文百科

连续函数 (拓扑学) Continuous function

(重定向自Sequential continuity)

在拓扑学和数学的相关领域里,连续函数是指在拓扑空间之间的一种态射。直观上来说,其为一个函数f,其中每一群在f(x)附近的点都会含有在x附近的一群点之值。对一个一般的拓扑空间来说,这是指f(x)的邻域总会包含着x之邻域的值。

在一个度量空间(如实数)里,这是指在f(x)一定距离内的点总会包含着在x某些距离内的所有点。

英语百科

Continuous function 连续函数 (拓扑学)

(重定向自Sequential continuity)
The sequence exp(1/n) converges to exp(0)
Illustration of the ε-δ-definition: for ε=0.5, c=2, the value δ=0.5 satisfies the condition of the definition.
The failure of a function to be continuous at a point is quantified by its oscillation.

In mathematics, a continuous function is, roughly speaking, a function for which sufficiently small changes in the input result in arbitrarily small changes in the output. Otherwise, a function is said to be a discontinuous function. A continuous function with a continuous inverse function is called a homeomorphism.

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更新时间:2025/6/18 6:18:33