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  • parameter
  • In this algorithm, the information theoretic quantities MI and CMI determine the regulatory relationships between genes and the PMDL principle method attempts to determine the best MI threshold without the need of a user-specified fine tuning parameter. (usm.edu)
  • s C wc does not require any adjusting parameter, while s L cc requires a threshold parameter, which we can use to control the number of features that the algorithm selects. (mdpi.com)
  • 1996
  • The idea (and name) for cache-oblivious algorithms was conceived by Charles E. Leiserson as early as 1996 and first published by Harald Prokop in his master's thesis at the Massachusetts Institute of Technology in 1999. (wikipedia.org)
  • A much simpler algorithm was developed by Chan in 1996, and is called Chan's algorithm. (wikipedia.org)
  • graph
  • Graph coloring algorithm. (wikipedia.org)
  • The Kleitman-Wang algorithms are two different algorithms in graph theory solving the digraph realization problem, i.e. the question if there exists for a finite list of nonnegative integer pairs a simple directed graph such that its degree sequence is exactly this list. (wikipedia.org)
  • Algorithms designed for graph colouring are also known to perform well with Sudokus. (wikipedia.org)
  • Cache-oblivious algorithms represent a different approach introduced in 1999 for Fast Fourier Transforms, and then extended to graph algorithms, dynamic programming, etc. (wikipedia.org)
  • Brent's algorithm: finds a cycle in function value iterations using only two iterators Floyd's cycle-finding algorithm: finds a cycle in function value iterations Gale-Shapley algorithm: solves the stable marriage problem Pseudorandom number generators (uniformly distributed): Blum Blum Shub Lagged Fibonacci generator Linear congruential generator Mersenne twister Coloring algorithm: Graph coloring algorithm. (wikipedia.org)
  • Hopcroft-Karp algorithm: convert a bipartite graph to a maximum cardinality matching Hungarian algorithm: algorithm for finding a perfect matching Prüfer coding: conversion between a labeled tree and its Prüfer sequence Tarjan's off-line least common ancestors algorithm: compute lowest common ancestors for pairs of nodes in a tree Topological sort: finds linear order of nodes (e.g. jobs) based on their dependencies. (wikipedia.org)
  • D*: an incremental heuristic search algorithm Depth-first search: traverses a graph branch by branch Dijkstra's algorithm: A special case of A* for which no heuristic function is used General Problem Solver: a seminal theorem-proving algorithm intended to work as a universal problem solver machine. (wikipedia.org)
  • Distributed deadlocks can be detected either by constructing a global wait-for graph, from local wait-for graphs at a deadlock detector or by a distributed algorithm like edge chasing. (wikipedia.org)
  • several sorting al
  • Lower bounds integrated into sections that discuss problems -e.g. after presentation of several sorting algorithms, text discusses lower bound for comparison-based sorting. (informit.com)
  • convex
  • Algorithms that construct convex hulls of various objects have a broad range of applications in mathematics and computer science. (wikipedia.org)
  • In computational geometry, numerous algorithms are proposed for computing the convex hull of a finite set of points, with various computational complexities. (wikipedia.org)
  • The complexity of the corresponding algorithms is usually estimated in terms of n, the number of input points, and h, the number of points on the convex hull. (wikipedia.org)
  • However, in models of computer arithmetic that allow numbers to be sorted more quickly than O(n log n) time, for instance by using integer sorting algorithms, planar convex hulls can also be computed more quickly: the Graham scan algorithm for convex hulls consists of a single sorting step followed by a linear amount of additional work. (wikipedia.org)
  • However, the complexity of some convex hull algorithms can be characterized in terms of both input size n and the output size h (the number of points in the hull). (wikipedia.org)
  • The lower bound on worst-case running time of output-sensitive convex hull algorithms was established to be Ω(n log h) in the planar case. (wikipedia.org)
  • Known convex hull algorithms are listed below, ordered by the date of first publication. (wikipedia.org)
  • Geometric hashing: a method for efficiently finding two-dimensional objects represented by discrete points that have undergone an affine transformation Gilbert-Johnson-Keerthi distance algorithm: determining the smallest distance between two convex shapes. (wikipedia.org)
  • inputs
  • Time complexity of each algorithm is stated in terms of the number of inputs points n and the number of points on the hull h. (wikipedia.org)
  • Since different inputs of the same length may cause the algorithm to have different behavior, the function describing its performance is usually an upper bound on the actual performance, determined from the worst case inputs to the algorithm. (wikipedia.org)
  • implements
  • It implements a threaded variant of the RMAT algorithm. (sourceforge.net)
  • Navigational algorithms is a source of information whose purpose is to make available the scientific part of the art of navigation, containing specialized articles and software that implements the various procedures of calculus. (wikipedia.org)
  • The following naive algorithm implements C = C + A * B: for i = 1 to n for j = 1 to n for k = 1 to n C(i,j) = C(i,j) + A(i,k) * B(k,j) Arithmetic cost (time-complexity): n² (2n-1) for sufficiently large n or O(n³). (wikipedia.org)
  • Run-time efficiency is a topic of great interest in computer science: A program can take seconds, hours, or even years to finish executing, depending on which algorithm it implements. (wikipedia.org)
  • quicksort
  • Just like the quicksort algorithm, it has the expected time complexity of O(n log n), but may degenerate to O(n2) in the worst case. (wikipedia.org)
  • Often the method of choice Humorous or ineffective Bogosort Stooge sort Hybrid Flashsort Introsort: begin with quicksort and switch to heapsort when the recursion depth exceeds a certain level Timsort: adaptative algorithm derived from merge sort and insertion sort. (wikipedia.org)
  • quadratic
  • The quantum algorithm provides a quadratic improvement in the general case, and an exponential improvement when the input matrices are of low rank. (wikipedia.org)
  • computations
  • Other operations specific to the problem in question The overall set of computations for a dynamic problem is called a dynamic algorithm. (wikipedia.org)
  • Like in the analysis of "ordinary", sequential, algorithms, one is typically interested in asymptotic bounds on the resource consumption (mainly time spent computing), but the analysis is performed in the presence of multiple processor units that cooperate to perform computations. (wikipedia.org)
  • shortest
  • Navigation Celestial navigation Nautical almanac Lunar distance (navigation) Sextant American Practical Navigator Rhumbline network Royal Institute of Navigation (Journal of Navigation) Institute of Navigation (NAVIGATION journal) Shortest path problem and automotive navigation, for navigational algorithms in other domains. (wikipedia.org)
  • Software
  • A good understanding of algorithms, and the knowledge of when to apply them, is crucial to producing software that not only works correctly, but also performs efficiently. (oreilly.com)
  • In the end, you'll be prepared to build the algorithms and data structures most commonly encountered in day-to-day software development. (oreilly.com)
  • Provides a robust Companion Website that supplements the text by providing algorithm simulation software, PowerPoint ® slides, late breaking news about algorithms, references about the book's topics, computer programs, and more. (informit.com)
  • Develop algorithms and software to speed communications, compress files, save disk space and band width and enable much faster file sharing. (sourceforge.net)
  • Leiserson
  • M. Frigo, C. E. Leiserson, H. Prokop, and S. Ramachandran, "Cacheoblivious algorithms," In FOCS '99: Proceedings of the 40th Annual Symposium on Foundations of Computer Science, 1999. (wikipedia.org)
  • typically
  • Cache-oblivious algorithms are typically analyzed using an idealized model of the cache, sometimes called the cache-oblivious model . (wikipedia.org)
  • One programmer reported that such an algorithm may typically require as few as 15,000 cycles, or as many as 900,000 cycles to solve a Sudoku, each cycle being the change in position of a "pointer" as it moves through the cells of a Sudoku. (wikipedia.org)
  • consists
  • Algorithms that comply with the standard are tested and awarded an "eXpressDSP-compliant" mark upon successful completion of the test The standard consists of a set of general rules and guidelines that should be applied to all algorithms. (wikipedia.org)
  • The quantum algorithm consists of several iterations. (wikipedia.org)
  • solve
  • Players and investigators may use a wide range of computer algorithms to solve Sudokus, study their properties, and make new puzzles, including Sudokus with interesting symmetries and other properties. (wikipedia.org)
  • There are several computer algorithms that will solve most 9×9 puzzles ( n =9) in fractions of a second, but combinatorial explosion occurs as n increases, creating limits to the properties of Sudokus that can be constructed, analyzed, and solved as n increases. (wikipedia.org)
  • Some hobbyists have developed computer programs that will solve Sudoku puzzles using a backtracking algorithm, which is a type of brute force search. (wikipedia.org)
  • Although it has been established that approximately 6.67 x 10 21 final grids exist, a brute force algorithm can be a practical method to solve Sudoku puzzles. (wikipedia.org)
  • Unlike the latter however, optimisation algorithms do not necessarily require problems to be logic-solvable, giving them the potential to solve a wider range of problems. (wikipedia.org)
  • The simplex algorithm is able to solve non-proper Sudokus, indicating if the Sudoku is not valid (no solution), or providing the set of answers when there is more than one solution. (wikipedia.org)
  • Algebra
  • ASCR researchers have developed a new method, derived from commonly used linear algebra methods, to minimize communications between processors and the memory hierarchy, by reformulating the communication patterns specified within the algorithm. (wikipedia.org)
  • Code and algorithms for the library were contributed to the project by experts in the project, and elsewhere (for example, some of the linear algebra code was written by Jim Wilkinson, who was an early supporter of the NAG project). (wikipedia.org)
  • known
  • Stochastic-based algorithms are known to be fast, though perhaps not as fast as deductive techniques. (wikipedia.org)
  • The power of quantum computing may allow solving problems which are not practically feasible on classical computers, or suggest a considerable speed up in respect to the best known classical algorithm. (wikipedia.org)
  • Before - Writing about "recipes" (on cooking, rituals, agriculture and other themes) c. 1700-2000 BC - Egyptians develop earliest known algorithms for multiplying two numbers. (wikipedia.org)
  • This first edition of the book was also known as "The Big White Book (of Algorithms). (wikipedia.org)
  • 1970
  • NAG was founded by Brian Ford and others in 1970 as the Nottingham Algorithms Group, a collaborative venture between the universities of Birmingham, Leeds, Manchester, Nottingham and Oxford, and the Atlas Computer Laboratory (now part of the Rutherford Appleton Laboratory). (wikipedia.org)
  • Vector
  • GHA - Greenwich Hour Angle Dec - Declination SD - Semidiameter HP - Horizontal Parallax Astronavigation solution for sight reduction for n observations made with a marine sextant & running fixes The algorithms implemented are: For n = 2 observations An analytical solution of the two star sight problem of celestial navigation, James A. Van Allen.Vector Solution for the Intersection of two Circles of Equal Altitude. (wikipedia.org)
  • If the points are already sorted by one of the coordinates or by the angle to a fixed vector, then the algorithm takes O(n) time. (wikipedia.org)
  • optimal
  • An optimal cache-oblivious algorithm is a cache-oblivious algorithm that uses the cache optimally (in an asymptotic sense, ignoring constant factors). (wikipedia.org)
  • Because these algorithms are only optimal in an asymptotic sense (ignoring constant factors), further machine-specific tuning may be required to obtain nearly optimal performance in an absolute sense. (wikipedia.org)
  • There are several algorithms which attain this optimal time complexity. (wikipedia.org)
  • computation
  • Exact (not asymptotic) measures of efficiency can sometimes be computed but they usually require certain assumptions concerning the particular implementation of the algorithm, called model of computation. (wikipedia.org)
  • A key point which is often overlooked is that published lower bounds for problems are often given for a model of computation that is more restricted than the set of operations that you could use in practice and therefore there are algorithms that are faster than what would naively be thought possible. (wikipedia.org)
  • develop
  • Includes more than 300 worked examples, which provide motivation, clarify concepts, and show how to develop algorithms, demonstrate applications of the theory, and elucidate proofs. (informit.com)
  • computer
  • We need to test facial recognition on a planetary scale to enable practical applications - testing on a larger scale lets you discover the flaws and successes of recognition algorithms," said Ira Kemelmacher-Shlizerman , a UW assistant professor of computer science and the project's principal investigator. (washington.edu)
  • Algorithms Unlocked is a book by Thomas H. Cormen about the basic principles and applications of computer algorithms. (wikipedia.org)
  • In computer science, deadlock prevention algorithms are used in concurrent programming when multiple processes must acquire more than one shared resource. (wikipedia.org)
  • Since algorithms are platform-independent (i.e. a given algorithm can be implemented in an arbitrary programming language on an arbitrary computer running an arbitrary operating system), there are additional significant drawbacks to using an empirical approach to gauge the comparative performance of a given set of algorithms. (wikipedia.org)
  • Textbook
  • The first edition of the book was widely used as the textbook for algorithms courses at many universities and is commonly cited as a reference for algorithms in published papers, with over 10000 citations documented on CiteSeerX. (wikipedia.org)
  • mainly
  • Because the quantum algorithm is mainly based on the HHL algorithm, it suggests an exponential improvement in the case where F {\displaystyle F} is sparse and the condition number (namely, the ratio between the largest and the smallest eigenvalues) of both F F † {\displaystyle FF^{\dagger }} and F † F {\displaystyle F^{\dagger }F} is small. (wikipedia.org)
  • 1999
  • The standard was first introduced in 1999 and was created to facilitate integration of DSP algorithms into systems without re-engineering cost. (wikipedia.org)
  • optimally
  • Cache-oblivious algorithms are contrasted with explicit blocking , as in loop nest optimization , which explicitly breaks a problem into blocks that are optimally sized for a given cache. (wikipedia.org)