add节点位于标准可视代码片段的数学类别下。
The add node is under the math category of the standard visual snippets.
你学习的每个主题都以某种合理结构展现出来，如果是数学——就用构建模块的方式展现，如果是社会科学研究——就用类别的方式。
Every topic that you study has been presented to you in some type of sensible structure, whether it is math - which comes in building blocks, or social studies - which comes in categories.
分类是要构造一个数学模型(分类器)，该模型能把数据库的记录映射到某一个特定的类别。
Classification needs to construct a model (also called classifier) which makes a map of records in Database with a peculiar class label.
你是桑德斯马克巷的数学家的工作类别。
You are Saunders Mac Lane's Categories for the Working Mathematician.
介绍了数值计算中的误差类别，用数学表达式举例，说明了截断误差，根据IEEE754标准用数学表达式说明了舍入误差；
This paper introduced the classification of numerical calculation errors, and used math expressions as examples to illustrate truncation error.
本文针对小类别数手写汉字，在骨架图形的基础上，把手写汉字看作孤枝、孤环和部件的集合，并定义三者之间的方位关系，从而建立手写汉字的数学模型。
This paper is focus on small set character recognition. Based on skeleton graphics, handwriting Chinese character is defined as a set of isolated branch, isolated loop and component. Relation…
本文针对小类别数手写汉字，在骨架图形的基础上，把手写汉字看作孤枝、孤环和部件的集合，并定义三者之间的方位关系，从而建立手写汉字的数学模型。
This paper is focus on small set character recognition. Based on skeleton graphics, handwriting Chinese character is defined as a set of isolated branch, isolated loop and component. Relation…
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