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StringTools[ThueMorse] - generate a Thue-Morse string
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Calling Sequence
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ThueMorse( n, a, b )
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Parameters
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n
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non-negative integer; specifies that ThueMorse must return then nth Thue-Morse string
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a
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character; (optional) first symbol to use
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b
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character; (optional) second symbol to use
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Description
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The ThueMorse(n, a, b) command generates the length-n prefix of the (infinite) Thue-Morse string, with initial values a and b. The arguments after the first are optional, and default to the strings  and  , respectively.
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The Thue-Morse string is the infinite string defined to be the fixed point of the iterated semigroup morphism  on the free semigroup generated by  .
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Examples
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Download Help Document
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