'First input symbol' diaporamas de présentation

FORMAL LANGUAGES, AUTOMATA, AND COMPUTABILITY

15-453. FORMAL LANGUAGES, AUTOMATA, AND COMPUTABILITY. * Read chapter 4 of the book for next time * . Lecture9x.ppt. REVIEW. A Turing Machine is represented by a 7-tuple T = (Q, ? , ? , ?, q 0 , q accept , q reject ): . Q is a finite set of states.

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Regular Expressions and DFAs

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Turing Machine Example

Turing Machine Example. 2 n. A TM M that recognizes the language: L = {0 | n ? 0 } PSEUDOCODE Sweep the input string from left to right, cross out every other 0 (cuts the number of 0s in half). If in step 1, the tape had only one 0 , accept .

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