Describe a non-deterministic Turing machine algorithm that takes
one integer and checks for primality. What is...
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Describe a non-deterministic Turing machine algorithm that takesone integer and checks for primality. What is the complexity of thealgorithm?
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Answerin theoretical computer science a nondeterministicTuring machine is a theoretical model of computation Theyare used in thought experiments to examine the abilities andlimitations of computers One of the most important open problemsin theoretical computer science is the P vs NP problem whichconcerns the question of how difficult it is to simulatenondeterministic computation with a deterministic computerBy contrast in a nondeterministic Turingmachine NTM the set of rules mayprescribe more than one action to be performed for any givensituation For example an X on the tape in state 3 might allow theNTM toWrite a Y move right and switch to state 5orWrite an X move left and stay in state 3Resolution of multiple rulesHow does the NTM know which of these actions it should takeThere are two ways of looking at it One is to say that the machineis the luckiest possible guesser it
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