A palindrome is a string of characters that reads the same forward and backward,

Question

A palindrome is a string of characters that reads the same forward and backward, such as radar or IUPUI.

Write a Turing machine to decide whether any binary string is a palindrome by halting with a blank tape if the string is a palindrome and halting with a nonblank tape if the string is not a palindrome.

Note: The world’s longest single-word palindrome is the Finnish word for

“lye dealer”:

Saippuakivikauppias

Other palindromes include:

Slap a ham on Omaha pals Do geese see god

A man a plan a canal Panama

Explanation / Answer

Example machine: Palindromes

Here in the below diagram we take strings as: abba , ababa. For binary string you must replace a to 0 and b to 1.

The transition function for a Turing Machine to recognize palindromes.

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