The worst-case analysis is related to the worst-case complexity. Many algorithms with bad worst-case performance have good average-case performance...
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In computational complexity theory, the average-case complexity of an algorithm is the amount of some computational resource (typically time) used by the...
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worst-case complexity is the maximum of the complexity over all inputs of size n, and the average-case complexity is the average of the complexity over...
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common types of complexity estimates are the average-case complexity and the almost-always complexity. To obtain the average-case complexity, given an input...
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following complexities: Best-case complexity: This is the complexity of solving the problem for the best input of size n {\displaystyle n} . Average-case complexity:...
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complexity of an algorithm should be contrasted with its average-case complexity, which is an average measure of the amount of resources the algorithm uses...
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Generic-case complexity is a subfield of computational complexity theory that studies the complexity of computational problems on "most inputs". Generic-case...
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his work in randomness in computing, algorithmic complexity and intractability, average-case complexity, foundations of mathematics and computer science...
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Less common, and usually specified explicitly, is the average-case complexity, which is the average of the time taken on inputs of a given size (this makes...
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Shellsort (section Computational complexity)
unknown whether Shellsort can reach this asymptotic order of average-case complexity, which is optimal for comparison sorts. The lower bound was improved...
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Smoothed analysis (redirect from Smoothed complexity)
worst-case complexity. Average-case analysis was first introduced to overcome the limitations of worst-case analysis. However, the resulting average-case complexity...
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P versus NP problem (redirect from Complexity classes P and NP)
JSTOR 2580891. R. Impagliazzo, "A personal view of average-case complexity", p. 134, 10th Annual Structure in Complexity Theory Conference (SCT'95), 1995. "Tentative...
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Yao's principle (category Computational complexity theory)
be obtained by a deterministic algorithm on a random input (its average-case complexity), for a probability distribution on inputs chosen to be as hard...
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for time in order to obtain an average-case complexity of O(n) on random text, although it has O(nm) in the worst case, where the length of the pattern...
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complexity of the use cases for the system. To find the UUCW for a system, each of the use cases must be identified and classified as Simple, Average...
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applications, worst case complexity is not sufficient, and we need to guarantee cryptographic construction are hard based on average case complexity. A full rank...
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methods for analyzing the computational complexity of algorithms, including the theory of average-case complexity. He introduced the theory of analytic...
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DFA minimization (section Complexity)
solving the problem, and for certain distributions of inputs its average-case complexity is even better, O(n log log n). Once Hopcroft's algorithm has been...
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values form a single pile and both phases run in O(n) time. The average-case complexity is still O(n log n): any uniformly random sequence of values will...
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Quickselect (section Time complexity)
This reduces the average complexity from O ( n log n ) {\displaystyle O(n\log n)} to O ( n ) {\displaystyle O(n)} , with a worst case of O ( n 2 ) {\displaystyle...
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Bucket sort (section Average-case analysis)
having constant size). This allows O ( n ) {\displaystyle O(n)} average time complexity even without uniformly distributed input. The most common variant...
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hard worst-case or average-case complexity. Worst-case complexity measures the difficulty of solving pathological cases rather than typical cases of the underlying...
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algorithm known for the worst case, but the average-case complexity can be shown to be about as hard as the worst case using random self-reducibility...
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its average-case complexity (with the assumption that all input permutations are equally likely) or in its expected time analysis of worst-case inputs...
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atypical behavior from the algorithm, such as a violation of its average case complexity, or even its correctness. For example, hash tables generally have...
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In ordinary language, an average is a single number or value that best represents a set of data. The type of average taken as most typically representative...
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started to work on various aspects of computational complexity theory including average case complexity. He became one of the founders of the emerging field...
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worst-case time complexity of O(log n). For a random heap, and for repeated insertions, the insertion operation has an average-case complexity of O(1)...
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O(n) complexity. However, this will happen on average only once per rotation. Thus, each rotation has O(n) and one sweep O(n3) average-case complexity, which...
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these trees. Random binary trees have been used for analyzing the average-case complexity of data structures based on binary search trees. For this application...
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