Приклади вживання Time complexity Англійська мовою та їх переклад на Українською
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Algorithms and time complexity.
Thus, the time complexity of the entire algorithm is$O(nk)$.
There are two kinds of time complexity results.
The time complexity of this algorithm is O( n 2){\displaystyle O(n^{2})}.
O(log n)- Logarithmic time complexity.
Linear time is the best possible time complexity in situations where the algorithm has to sequentially read its entire input.
Let's clarify, what we mean by easy and hard, by introducing what's called time complexity.
There are two kinds of time complexity results.
Naïvely implementing this computation as a recursive algorithm yields an exponential time complexity.
The quality and usefulness of the algorithms are determined by the time complexity of queries as well as the space complexity of any search data structures that must be maintained.
An algorithm is said to take linear time, or O(n)time, if its time complexity is O(n).
The following table reports time complexity results for the construction of triangulations of point sets in the plane, under different optimality criteria, where n{\displaystyle n} is the number of points.
In addition to performance bounds, learning theorists study the time complexity and feasibility of learning.
The time complexity of the original algorithm was O( n 4){\displaystyle O(n^{4})}, however Edmonds and Karp, and independently Tomizawa noticed that it can be modified to achieve an O( n 3){\displaystyle O(n^{3})} running time. .
In addition to performance bounds,computational learning theory studies the time complexity and feasibility of learning.
The first breakthrough in this respect happened in 1979, when algorithms of time complexity O(nO(g)) were independently submitted to the Annual ACM Symposium on Theory of Computing: one by I. Filotti and G.L. Miller and another one by John Reif.
For different variants of the problem(e.g. different types of obstacles),algorithms vary in time complexity.
The standard algorithm for hierarchical agglomerative clustering(HAC) has a time complexity of O( n 3){\displaystyle{\mathcal{ O}}( n^{ 3})} and requires O( n 2){\displaystyle{\mathcal{ O}}( n^{ 2})} memory, which makes it too slow for even medium data sets.
In addition to performance bounds,computational learning theory studies the time complexity and feasibility of learning.
The following table gives the time complexity cost of performing various operations on graphs, for each of these representations, with|V| the number of vertices and|E| the number of edges.[citation needed] In the matrix representations, the entries encode the cost of following an edge.
In addition to performance bounds, learning theorists study the time complexity and feasibility of learning.
Without the use of an accelerating index structure, or on degenerated data(e.g. all points within a distance less than ε),the worst case run time complexity remains O(n²).
The exhaustive approach in this case is known as the Bellman- Ford algorithm, which yields a time complexity of O(| V|| E|){\displaystyle O(|V||E|)}, or quadratic time.
Actual needs depend on implementation details(one can make transactions fail early enough to avoid overhead), but there will also be cases, albeit rare,where lock-based algorithms have better time complexity than software transactional memory.
The exhaustive approach in this case is known as the Bellman- Ford algorithm,which yields a time complexity of O(| V|| E|){\displaystyle O(|V||E|)}, or quadratic time.
Usually, this involves determining a function that relates the length of analgorithm's input to the number of steps it takes(its time complexity) or the number of storage locations it uses(its space complexity). .
However, in practical travel-routing systems, even better time complexities can be attained by algorithms which can pre-process the graph to attain better performance.
By eliminating impossible paths, these algorithms can achieve time complexities as low as O(| E| log(| V|)){\displaystyle O(| E|\ log(| V|))}.
By eliminating impossible paths, these algorithms can achieve time complexities as low as O(| E| log(| V|)){\displaystyle O(| E|\ log(| V|))}.