'Dfa state' presentation slideshows

CS 4102: Algorithms Spring 2011 Aaron Bloomfield

1.27k views • 115 slides

Non-Deterministic Automata Regular Expressions

Non-Deterministic Automata Regular Expressions. NFA Example. NFA Example. Input aplhabet, i.e. Formal Definition of NFAs. Set of states, i.e. Transition function. Initial state. Final states. Transition Function. Extended Transition Function. Formally. It holds. if and only if.

565 views • 37 slides

Lexical Analysis

Leonidas Fegaras. Lexical Analysis. Lexical Analysis. A scanner groups input characters into tokens input token value identifier x equal = identifier x star * x = x * (acc+123) left-paren ( identifier acc plus + integer 123 right-paren )

431 views • 28 slides

Lexical Analysis

Leonidas Fegaras. Lexical Analysis. Lexical Analysis. A scanner groups input characters into tokens input: x = x * (acc+123) token value identifier x equal = identifier x star * left-paren ( identifier acc plus + integer 123

283 views • 28 slides

Lexical Analysis

Leonidas Fegaras. Lexical Analysis. Lexical Analysis. A scanner groups input characters into tokens input token value identifier x equal = identifier x star * x = x * (acc+123) left-paren ( identifier acc plus +

288 views • 28 slides

COSC 3340: Introduction to Theory of Computation

COSC 3340: Introduction to Theory of Computation. University of Houston Dr. Verma Lecture 2. 1st model -- Deterministic Finite Automaton (DFA). Read only Head. Finite Control. DFA (contd.). The DFA has: a finite set of states 1 special state - initial state

300 views • 22 slides

COSC 3340: Introduction to Theory of Computation

COSC 3340: Introduction to Theory of Computation. University of Houston Dr. Verma Lecture 2. 1st model -- Deterministic Finite Automaton (DFA). Read only Head. Finite Control. DFA (contd.). The DFA has: a finite set of states 1 special state - initial state

226 views • 22 slides

COSC 3340: Introduction to Theory of Computation

COSC 3340: Introduction to Theory of Computation. University of Houston Dr. Verma Lecture 4. Formal definition of NFA acceptance. Define ? *(q, w) as a set of states: p ? ? *(q, w) if there is a directed path from q to p labeled w Example : consider NFA of Lecture 3

296 views • 19 slides

Replacing magic with clockwork

254 views • 16 slides

Bottom-Up Parsing Basics

Bottom-Up Parsing Basics. S A B c A a b F A a f F a f. Example: Rightmost Derivation. Input String: aaabffc. S -> ABc A -> Aa | a B -> bF | b F -> f F | f. S => A B c => Ab F c => Abf F c => A bffc

206 views • 12 slides

COMP313A Programming Languages

237 views • 12 slides

Minimize the number of states in a DFA Algorithm (3.6, page 142): Input: a DFA M

317 views • 11 slides