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In computability theory, computational complexity theory and proof theory, a fast-growing hierarchy (also called an extended Grzegorczyk hierarchy, or a Schwichtenberg-Wainer hierarchy) [1] is an ordinal-indexed family of rapidly increasing functions f α: N → N (where N is the set of natural numbers {0, 1, ...}, and α ranges up to some large countable ordinal).
The actual values are only computed when needed. For example, one could create a function that creates an infinite list (often called a stream) of Fibonacci numbers. The calculation of the n-th Fibonacci number would be merely the extraction of that element from the infinite list, forcing the evaluation of only the first n members of the list.
Merge sort. In computer science, a sorting algorithm is an algorithm that puts elements of a list into an order.The most frequently used orders are numerical order and lexicographical order, and either ascending or descending.
If the sort key values are totally ordered, the sort key defines a weak order of the items: items with the same sort key are equivalent with respect to sorting. See also stable sorting. If different items have different sort key values then this defines a unique order of the items. Workers sorting parcels in a postal facility
Every Christmas season, letters to Santa flood in from kids around the world — but in Santa Claus, Indiana, volunteers become Santa’s elves to ensure every child gets a reply.. This small town ...
Similar to convex order, Laplace transform order is established by comparing the expectation of a function of the random variable where the function is from a special class: () = (). This makes the Laplace transform order an integral stochastic order with the generator set given by the function set defined above with α {\displaystyle ...
The average home value, meanwhile, climbed to $359,099 in October, up by 2.6% annually, Zillow said. And per Freddie Mac, the rate on the 30-year fixed mortgage edged up to 6.84% last week.
Connor McDavid had two goals and an assist to lead the Edmonton Oilers to a 5-2 win over the Ottawa Senators on Tuesday night. Evan Bouchard, Leon Draisaitl and Ryan Nugent-Hopkins also scored for ...