《算法导论(第4版)》学习第 19 天,p83-p85 总结,总计 3 页。

一、技术总结

无。

二、英语总结(生词:2)

1. inkling

(1)inkling: inclen("utter in an undertone,低声说话")

c. a hint(提示);a slight knowledge(一点点知识,浅薄的认知,强调程度轻微,有限。翻译的时候转成动词翻译较好)。

(2)示例

To get an inkling how the number of multiplications might be reduced, as well as why reducing the number of multiplications might be desirable for matrix calculations, suppose that you have two numbers x and y, and you want to calculate the quantity x² + y²(《《算法导论(第4版)》》第 86 页)。

上面这句话的意思是:若想初步了解如何减少乘法运算的次数,以及为何减少乘法运算的次数对矩阵计算而言是可取的,不妨假设你有两个数 x 和 y,然后要计算 x² + y²。

2. inductive hypothesis

(1)induce: in-("into") + ducere("to lead")

vt. succeed in persuading or influencing (someone) to do something(引诱)。

(2)induction

u. (math)inference of a generalized conclusion from particular instances(归纳法,从特殊到一般(Observe specific examples or facts → then make a general conclusion.))

(3)inductive

adj. relating to, or employing mathematical induction(与数学归纳法有关的,采用了数学归纳法的),虽然这是一个形容词,但是中文环境下往往当做名词("归纳")来翻译,但理解的时候按照形容词来理解。

示例:inductive reasoning(归纳推理),

(4)示例

To apply the inductive hypothesis, you substitute the guessed solution for the function on smaller values—hence the name "substitution method"(《《算法导论(第4版)》》第 90 页)。

关于英语的注解同步更新汇总到 https://github.com/codists/English-In-CS-Books 仓库。

三、其它

今天没有什么想说的。

四、参考资料

1. 编程

(1) Thomas H. Cormen,Charles E. Leiserson,Ronald L. Rivest,Clifford Stein,https://book.douban.com/subject/35591269/

2. 英语

(1) Etymology Dictionary:https://www.etymonline.com

(2) Cambridge Dictionary:https://dictionary.cambridge.org

欢迎搜索及关注:编程人(a_codists)


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