Search results
Results from the WOW.Com Content Network
Alphabets are important in the use of formal languages, automata and semiautomata.In most cases, for defining instances of automata, such as deterministic finite automata (DFAs), it is required to specify an alphabet from which the input strings for the automaton are built.
A finite-state machine (FSM) or finite-state automaton (FSA, plural: automata), finite automaton, or simply a state machine, is a mathematical model of computation. It is an abstract machine that can be in exactly one of a finite number of states at any given time.
The figure illustrates a deterministic finite automaton using a state diagram. In this example automaton, there are three states: S 0, S 1, and S 2 (denoted graphically by circles). The automaton takes a finite sequence of 0s and 1s as input. For each state, there is a transition arrow leading out to a next state for both 0 and 1.
An automaton with a finite number of states is called a finite automaton (FA) or finite-state machine (FSM). The figure on the right illustrates a finite-state machine, which is a well-known type of automaton. This automaton consists of states (represented in the figure by circles) and transitions (represented by arrows).
A read-only Turing machine or two-way deterministic finite-state automaton (2DFA) ... is the finite set of the input alphabet; is the finite tape ...
Câmpeanu et al. learn a finite automaton as a compact representation of a large finite language. Given such a language F , they search a so-called cover automaton A such that its language L ( A ) covers F in the following sense: L ( A ) ∩ Σ ≤ l = F , where l is the length of the longest string in F , and Σ ≤ l denotes the set of all ...
Let be the set of words over the alphabet {a,b} whose nth last letter is an . The figures show a DFA and a UFA accepting this language for n=2. Deterministic automaton (DFA) for the language L for n=2 Unambiguous finite automaton (UFA) for the language L for n=2
In a finite automaton, at some point of the execution, the state is entirely described by the number of letter read and by a finite number of possible values, which are actually called "states". That means that, given a state and a suffix of the word to read, the remaining of the run is totally determined. Thus, the word "finite" in the name ...