希腊字母epsilon的两种写法ϵ，ε，一般认为哪个是原型，哪个是变体？ 我一直以为前者是原型，因为TeX中两者分别记为\epsilon，\varepsilon 但在Microsoft Word的数学公式输入器中却将两者分别… …

This letter "$\\varepsilon$" is called epsilon right ? What does it signify in mathematics ?

强化学习qlearning，用衰减的Epsilon贪婪策略 ，Epsilon什么时候衰减？ 强化学习qlearning，用衰减的Epsilon贪婪策略 ，训练过程中Epsilon是每一个episode衰减，还是在episode中每个step（… 显示全 …

Apr 19, 2022 · The symbol is called "epsilon," and is simply a variable, just like x x or y y. However, note that ϵ ϵ is most commonly used in analysis as an arbitrarily small (but positive) value.

What does the $\\ni$ (backwards element of) symbol mean? It doesn't appear in the Wikipedia list of mathematical symbols, and a Google search for "backwards element of" or "backwards epsilon" turns...

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Jun 21, 2018 · The epsilon algebra is a simple method compared to the more advanced interval arithmetic which can be used to put bounds on rounding and measurement errors in computation. …

本文主要给出一个我自己思考得到的 ϵ δ 的几何模型来帮助建立这种直觉。 这个模型主要强调的不是严格性，而是着重于如何帮助理解。 1 ϵ δ 的几何模型 1.1 ϵ δ 的定义 \epsilon -\delta 极限定义的描述方 …

Nov 18, 2021 · I'm really doing my best but completely failing to understand the epsilon-delta definition of a limit. I vaguely understand it like this: Given a bound on the difference between the input and …

没有ε-N语言和ε-δ语言，在当时就没法 严密 刻画极限. 极限是微积分的基础，连续性、微分、积分、级数等概念都要建立在其上. 不严密定义极限，就意味着很多结论不可靠，微积分就变成了一种仅仅是形 …