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heuristic function

См. также в других словарях:

  • Heuristic function — A heuristic function or simply a heuristic is a function that ranks alternatives in various search algorithms at each branching step basing on an available information in order to make a decision which branch is to be followed during a… …   Wikipedia

  • Heuristic algorithm — In computer science, a heuristic algorithm or simply a heuristic is an algorithm that ignores whether the solution to the problem can be proven to be correct, but which usually produces a good solution or solves a simpler problem that contains or …   Wikipedia

  • Heuristic (disambiguation) — A heuristic is a method for helping in solving of a problem, commonly informal. The term may also have the following technical meanings.*Heuristic algorithm *Heuristic evaluation is an expert based usability evaluation method. *Heuristic function …   Wikipedia

  • Heuristic analysis — is a method employed by many computer antivirus programs designed to detect previously unknown computer viruses, as well as new variants of viruses already in the wild.Heuristic analysis is an expert based analysis that determines the… …   Wikipedia

  • Admissible heuristic — In computer science, specifically in algorithms related to Pathfinding, a heuristic function is said to be admissible if it is no more than the lowest cost path to the goal. In other words, a heuristic is admissible if it never overestimates the… …   Wikipedia

  • Consistent heuristic — In computer science, a consistent (or monotone) heuristic function is a strategy for search that approaches the solution in an incremental way without taking any step back. Formally, for every node N and every successor P of N generated by any… …   Wikipedia

  • Evaluation function — An evaluation function, also known as a heuristic evaluation function or static evaluation function, is a function used by game playing programs to estimate the value or goodness of a position in the minimax and related algorithms. The evaluation …   Wikipedia

  • Monotonic function — Monotonicity redirects here. For information on monotonicity as it pertains to voting systems, see monotonicity criterion. Monotonic redirects here. For other uses, see Monotone (disambiguation). Figure 1. A monotonically increasing function (it… …   Wikipedia

  • Espresso heuristic logic minimizer — The Espresso logic minimizer is a computer program using heuristic and specific algorithms for efficiently reducing the complexity of digital electronic gate circuits.[1] Espresso was developed at IBM by Robert Brayton. Rudell later published the …   Wikipedia

  • Dirac delta function — Schematic representation of the Dirac delta function by a line surmounted by an arrow. The height of the arrow is usually used to specify the value of any multiplicative constant, which will give the area under the function. The other convention… …   Wikipedia

  • Hash function — A hash function is any well defined procedure or mathematical function for turning some kind of data into a relatively small integer, that may serve as an index into an array. The values returned by a hash function are called hash values, hash… …   Wikipedia

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