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https://www.eeworm.com/dl/654/198189.html 数据结构

上下文无关文法(Context-Free Grammar, CFG)是一个4元组G=(V, T, S, P)

上下文无关文法(Context-Free Grammar, CFG)是一个4元组G=(V, T, S, P),其中,V和T是不相交的有限集,S∈V,P是一组有限的产生式规则集,形如A→α,其中A∈V,且α∈(V∪T)*。V的元素称为非终结符,T的元素称为终结符,S是一个特殊的非终结符,称为文法开始符。 设G=(V, T, S, P)是一个CFG,则G产 ...
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https://www.eeworm.com/dl/522504.html 书籍

Foundations of Data Science

Computer science as an academic discipline began in the 1960’s. Emphasis was on programming languages, compilers, operating systems, and the mathematical theory that supported these areas. Courses in theoretical computer science covered finite automata, regular expressions, cont ...
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