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  2. Mutual recursion - Wikipedia

    en.wikipedia.org/wiki/Mutual_recursion

    This example is mutual single recursion, and could easily be replaced by iteration. In this example, the mutually recursive calls are tail calls, and tail call optimization would be necessary to execute in constant stack space. In C, this would take O(n) stack space, unless rewritten to use jumps instead of calls. [4]

  3. Recursion (computer science) - Wikipedia

    en.wikipedia.org/wiki/Recursion_(computer_science)

    One example is tree traversal as in depth-first search; though both recursive and iterative methods are used, [17] they contrast with list traversal and linear search in a list, which is a singly recursive and thus naturally iterative method. Other examples include divide-and-conquer algorithms such as Quicksort, and functions such as the ...

  4. Primitive recursive function - Wikipedia

    en.wikipedia.org/wiki/Primitive_recursive_function

    A total recursive function is a partial recursive function that is defined for every input. Every primitive recursive function is total recursive, but not all total recursive functions are primitive recursive. The Ackermann function A(m,n) is a well-known example of a total recursive function (in fact, provable total), that is not primitive ...

  5. Recursion - Wikipedia

    en.wikipedia.org/wiki/Recursion

    A simple base case (or cases) — a terminating scenario that does not use recursion to produce an answer; A recursive step — a set of rules that reduces all successive cases toward the base case. For example, the following is a recursive definition of a person's ancestor. One's ancestor is either: One's parent (base case), or

  6. Computability theory - Wikipedia

    en.wikipedia.org/wiki/Computability_theory

    Rice showed that for every nontrivial class C (which contains some but not all c.e. sets) the index set E = {e: the eth c.e. set W e is in C} has the property that either the halting problem or its complement is many-one reducible to E, that is, can be mapped using a many-one reduction to E (see Rice's theorem for more detail). But, many of ...

  7. General recursive function - Wikipedia

    en.wikipedia.org/wiki/General_recursive_function

    The μ-recursive functions (or general recursive functions) are partial functions that take finite tuples of natural numbers and return a single natural number.They are the smallest class of partial functions that includes the initial functions and is closed under composition, primitive recursion, and the minimization operator μ.

  8. NFL playoff schedule: Dates, times, TV info for wild-card ...

    www.aol.com/nfl-playoff-schedule-dates-times...

    Here's the schedule for the wild-card round and beyond: NFL playoff schedule: Wild-card games. Jan. 11. Los Angeles Chargers at Houston Texans, 4:30 p.m. ET, CBS.

  9. Recursive data type - Wikipedia

    en.wikipedia.org/wiki/Recursive_data_type

    Another example is a similar singly linked type in Java: class List < E > { E value ; List < E > next ; } This indicates that non-empty list of type E contains a data member of type E, and a reference to another List object for the rest of the list (or a null reference to indicate that this is the end of the list).