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Method to find shortest paths
Johnson's algorithm is a way to find the shortest paths between all pairs of vertices in an edge-weighted directed graph. It allows some of the edge weights
Johnson's_algorithm
Algorithm for finding shortest paths
First). It is also employed as a subroutine in algorithms such as Johnson's algorithm. The algorithm uses a min-priority queue data structure for selecting
Dijkstra's_algorithm
Type of comparison sorting algorithm
merge-insertion sort or the Ford–Johnson algorithm is a comparison sorting algorithm published in 1959 by L. R. Ford Jr. and Selmer M. Johnson. It uses fewer comparisons
Merge-insertion_sort
Algorithm for two disjoint paths in a graph
theoretical computer science and network routing, Suurballe's algorithm is an algorithm for finding two disjoint paths in a nonnegatively-weighted directed
Suurballe's_algorithm
Algorithm that arranges lists in order
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
Sorting_algorithm
Polynomial-time algorithm for the assignment problem
The Hungarian algorithm or Hungarian method is a combinatorial optimization algorithm that solves the assignment problem in polynomial time and which
Hungarian_algorithm
Method of determining minimum distance between two convex sets
The Gilbert–Johnson–Keerthi distance algorithm is a method of determining the minimum distance between two convex sets, first published by Elmer G. Gilbert
Gilbert–Johnson–Keerthi distance algorithm
Gilbert–Johnson–Keerthi_distance_algorithm
An algorithm is a fundamental set of rules or defined procedures that are typically designed and used to be a simpler way to solve a specific problem
List_of_algorithms
Combinatorial algorithm
Steinhaus–Johnson–Trotter algorithm or Johnson–Trotter algorithm, also called plain changes, is an algorithm named after Hugo Steinhaus, Selmer M. Johnson and
Steinhaus–Johnson–Trotter algorithm
Steinhaus–Johnson–Trotter_algorithm
Optimization problem
flow-shop scheduling problem. Various algorithms exist, including genetic algorithms. A heuristic algorithm by S. M. Johnson can be used to solve the case of
Job-shop_scheduling
Algorithm in graph theory
Floyd–Warshall algorithm (also known as Floyd's algorithm, the Roy–Warshall algorithm, the Roy–Floyd algorithm, or the WFI algorithm) is an algorithm for finding
Floyd–Warshall_algorithm
Discrete Fourier transform algorithm
A fast Fourier transform (FFT) is an algorithm that computes the discrete Fourier transform (DFT), or its inverse (IDFT), of a sequence. A Fourier transform
Fast_Fourier_transform
Computational problem of graph theory
try to speed up the search. Floyd–Warshall algorithm solves all pairs shortest paths. Johnson's algorithm solves all pairs shortest paths, and may be
Shortest_path_problem
Algorithms which recursively solve subproblems
originally a political maxim, designates an algorithm design paradigm. A divide-and-conquer algorithm recursively breaks down a problem into two or
Divide-and-conquer_algorithm
2026 studio album by Natalie Imbruglia
Algorithm is the seventh studio album by Australian-British singer-songwriter Natalie Imbruglia. The album was announced in April 2026 and is scheduled
Algorithm (Natalie Imbruglia album)
Algorithm_(Natalie_Imbruglia_album)
Method for finding minimum spanning trees
In computer science, Prim's algorithm is a greedy algorithm that finds a minimum spanning tree for a weighted undirected graph. This means it finds a
Prim's_algorithm
American mathematician (1927–2017)
Bellman also published the algorithm. With Selmer M. Johnson, he developed the Ford–Johnson algorithm for sorting, which is of theoretical interest in connection
L._R._Ford_Jr.
Classification of algorithm
A galactic algorithm is an algorithm with record-breaking theoretical (asymptotic) performance, but which is not used due to practical constraints. Typical
Galactic_algorithm
Overview of and topical guide to algorithms
Dijkstra's algorithm Bellman–Ford algorithm Floyd–Warshall algorithm Johnson's algorithm A* search algorithm Minimum spanning tree Kruskal's algorithm Prim's
Outline_of_algorithms
Consensus algorithm
Raft is a consensus algorithm designed as an alternative to the Paxos family of algorithms. It was meant to be more understandable than Paxos by means
Raft_(algorithm)
American computer scientist
Bruce Johnson (December 16, 1933 – September 10, 1994) was an American computer scientist, a researcher in the design and analysis of algorithms, and the
Donald_B._Johnson
Bellman–Ford algorithm. If there is no negative cycle, then the distances found by the Bellman–Ford algorithm can be used, as in Johnson's algorithm, to reweight
Zero-weight_cycle_problem
NP-hard problem in combinatorial optimization
an algorithmic approach in creating these cuts. As well as cutting plane methods, Dantzig, Fulkerson, and Johnson used branch-and-bound algorithms perhaps
Travelling_salesman_problem
Fast Fourier Transform algorithm
The Cooley–Tukey algorithm, named after J. W. Cooley and John Tukey, is the most common fast Fourier transform (FFT) algorithm. It re-expresses the discrete
Cooley–Tukey_FFT_algorithm
American mathematician (1916–1996)
graphs and the closely related Johnson scheme are named after Johnson, as is the Steinhaus–Johnson–Trotter algorithm for generating all permutations
Selmer_M._Johnson
Measure of a graph's centrality, based on shortest paths
algorithm, modified to not only find one but count all shortest paths between two nodes. On a sparse graph, Johnson's algorithm or Brandes' algorithm
Betweenness_centrality
Class of computational problem
For Johnson's algorithm: Let p1j be the processing time of job j on machine 1 and p2j the processing time of job j on machine 2 Johnson's algorithm: Form
Flow-shop_scheduling
Algorithm for caching data
policies (also known as cache replacement algorithms or cache algorithms) are optimizing instructions or algorithms which a computer program or hardware-maintained
Cache_replacement_policies
Computational problem of graph theory
search algorithm is used when the search is only limited to two operations. The Floyd–Warshall algorithm solves all pairs shortest paths. Johnson's algorithm
K_shortest_path_routing
Estimate of time taken for running an algorithm
takes to run an algorithm. Time complexity is commonly estimated by counting the number of elementary operations performed by the algorithm, supposing that
Time_complexity
Type of sorting algorithm that works by comparing pairs of elements
A comparison sort is a type of sorting algorithm that only reads the list elements through a single abstract comparison operation (often a "less than
Comparison_sort
Cryptographic algorithm for digital signatures
cryptography, the Elliptic Curve Digital Signature Algorithm (ECDSA) offers a variant of the Digital Signature Algorithm (DSA) which uses elliptic-curve cryptography
Elliptic Curve Digital Signature Algorithm
Elliptic_Curve_Digital_Signature_Algorithm
Algorithm for public-key cryptography
Ron Rivest, Adi Shamir and Leonard Adleman, who publicly described the algorithm in 1977. An equivalent system was developed secretly in 1973 at Government
RSA_cryptosystem
Process of converting plaintext to ciphertext
encryption scheme usually uses a pseudo-random encryption key generated by an algorithm. It is possible to decrypt the message without possessing the key but
Encryption
Algorithm to multiply two numbers
multiplication algorithm is an algorithm (or method) to multiply two numbers. Depending on the size of the numbers, different algorithms are more efficient
Multiplication_algorithm
Mathematical and computational problem
produced with sophisticated algorithms. In addition, many approximation algorithms exist. For example, the first fit algorithm provides a fast but often
Bin_packing_problem
Class of algorithms that find approximate solutions to optimization problems
computer science and operations research, approximation algorithms are efficient algorithms that find approximate solutions to optimization problems
Approximation_algorithm
Algorithm in numerical analysis
In numerical analysis, the Kahan summation algorithm, also known as compensated summation, significantly reduces the numerical error in the total obtained
Kahan_summation_algorithm
Unsolved problem in computer science
polynomial function on the size of the input to the algorithm. The general class of questions that some algorithm can answer in polynomial time is "P" or "class
P_versus_NP_problem
Optimization algorithm in computer science
scheduling. It was developed by Coffman, Garey and Johnson. Its novelty comes from the fact that it uses an algorithm for another famous problem - the bin packing
Multifit_algorithm
algorithm is a mathematical algorithm in group theory for solving the automorphic equivalence problem in the finite rank free group Fn. The algorithm
Whitehead's_algorithm
Method to solve optimization problems
affine (linear) function defined on this polytope. A linear programming algorithm finds a point in the polytope where this function has the largest (or
Linear_programming
Algorithm
Symmetric-key algorithms are algorithms for cryptography that use the same cryptographic keys for both the encryption of plaintext and the decryption
Symmetric-key_algorithm
Degree of connectedness within a graph
{\displaystyle O(V^{3})} time with the Floyd–Warshall algorithm. However, on sparse graphs, Johnson's algorithm may be more efficient, taking O ( | V | | E |
Centrality
Topological index of a molecule
Floyd–Warshall algorithm or Johnson's algorithm, with running time O(n3) or O(nm + n2 log n) respectively. Alternative but less efficient algorithms based on
Wiener_index
Concept in complexity theory
In computational complexity theory, a numeric algorithm runs in pseudo-polynomial time if its running time is bounded from above by a polynomial function
Pseudo-polynomial_time
Concept in medical informatics
A medical algorithm is any computation, formula, statistical survey, nomogram, or look-up table, useful in healthcare. Medical algorithms include decision
Medical_algorithm
High-performance algorithm
is a high-performance algorithm for computing the fast Fourier transform (FFT). This variation of the Cooley–Tukey FFT algorithm was originally designed
Bailey's_FFT_algorithm
Algorithm engineering focuses on the design, analysis, implementation, optimization, profiling and experimental evaluation of computer algorithms, bridging
Algorithm_engineering
Methodic assignment of colors to elements of a graph
these algorithms are sometimes called sequential coloring algorithms. The maximum (worst) number of colors that can be obtained by the greedy algorithm, by
Graph_coloring
Computer hardware technology that uses quantum mechanics
effects amplify the probability of the desired measurement result. Quantum algorithm design involves creating procedures that allow a quantum computer to perform
Quantum_computing
Method of executing orders
Algorithmic trading is a method of executing orders using automated pre-programmed trading instructions accounting for variables such as time, price,
Algorithmic_trading
Technological phenomenon with social implications
Algorithmic bias describes systematic and repeatable harmful tendency in a computerized sociotechnical system to create "unfair" outcomes, such as "privileging"
Algorithmic_bias
Type of statistical inference
learning algorithm is the k-nearest neighbor algorithm, which is related to transductive learning algorithms. Another example of an algorithm in this category
Transduction (machine learning)
Transduction_(machine_learning)
Inherent difficulty of computational problems
such as an algorithm. A problem is regarded as inherently difficult if its solution requires significant resources, whatever the algorithm used. The theory
Computational complexity theory
Computational_complexity_theory
Algorithm used for image processing
High-resolution Image Reconstruction using Patch priors) is a Bayesian algorithm used to perform a deconvolution on images created in radio astronomy.
CHIRP_(algorithm)
Unfolding of Regular Tetrahedron and Johnson-Zalgaller Solid". In Rahman, M. Sohel; Tomita, Etsuji (eds.). WALCOM: Algorithms and Computation. Lecture Notes
List_of_Johnson_solids
Early unclassified symmetric-key block cipher
The Data Encryption Standard (DES /ˌdiːˌiːˈɛs, dɛz/) is a symmetric-key algorithm for the encryption of digital data. Although its short key length of 56
Data_Encryption_Standard
Video-focused social media platform
mental health concerns, misinformation, offensive content, addictive algorithm, its role during the Gaza war, and, following its 2026 divestiture in
TikTok
Specialized search engine for travelling
specific times (unlike private transport which may leave at any time), an algorithm must therefore not only find a path to a destination, but seek to optimize
Journey_planner
Algorithm for statistical inference on graphical models
propagation, also known as sum–product message passing, is a message-passing algorithm for performing inference on graphical models, such as Bayesian networks
Belief_propagation
this algorithm is exponential time since the input sizes of the objects and knapsack are logarithmic in their magnitudes. However, as Garey and Johnson (1979)
Weak_NP-completeness
Method for finding kth smallest value
In computer science, a selection algorithm is an algorithm for finding the k {\displaystyle k} th smallest value in a collection of orderable values,
Selection_algorithm
Algorithm for determining similar regions between two molecular sequences
The Smith–Waterman algorithm performs local sequence alignment; that is, for determining similar regions between two strings of nucleic acid sequences
Smith–Waterman_algorithm
Tool for working with matrices
Birkhoff's algorithm (also called Birkhoff-von-Neumann algorithm) is an algorithm for decomposing a bistochastic matrix into a convex combination of permutation
Birkhoff_algorithm
Least-weight tree connecting graph vertices
randomized algorithm based on a combination of Borůvka's algorithm and the reverse-delete algorithm. The fastest non-randomized comparison-based algorithm with
Minimum_spanning_tree
Optimization technique
designed to find, generate, tune, or select a heuristic (partial search algorithm) that may provide a sufficiently good solution to an optimization problem
Metaheuristic
Algorithms for calculating square roots
Square root algorithms compute the non-negative square root S {\displaystyle {\sqrt {S}}} of a positive real number S {\displaystyle S} . Since all square
Square_root_algorithms
Method of exchanging cryptographic keys
cryptography using asymmetric algorithms. Expired US patent 4200770 from 1977 describes the now public-domain algorithm. It credits Hellman, Diffie, and
Diffie–Hellman_key_exchange
Method of generating all permutations of n objects
Heap's algorithm generates all possible permutations of n objects. It was first proposed by B. R. Heap in 1963. The algorithm minimizes movement: it generates
Heap's_algorithm
Algorithm for finding zeros of functions
method, named after Isaac Newton and Joseph Raphson, is a root-finding algorithm which produces successively better approximations to the roots (or zeroes)
Newton's_method
Software library for computing discrete Fourier transforms
implementations of the fast Fourier transform (FFT). It implements the FFT algorithm for real and complex-valued arrays of arbitrary size and dimension. FFTW
Fastest Fourier Transform in the West
Fastest_Fourier_Transform_in_the_West
Software design pattern
algorithm at runtime. Instead of implementing a single algorithm directly, code receives runtime instructions as to which in a family of algorithms to
Strategy_pattern
Skin disease
Vieluf; Roujeau; Le Louet (2010). "ALDEN, an algorithm for assessment of drug causality in Stevens-Johnson Syndrome and toxic epidermal necrolysis: Comparison
Stevens–Johnson_syndrome
Methods for numerical approximations
Numerical analysis is the study of algorithms for the problems of continuous mathematics. These algorithms involve real or complex variables (in contrast
Numerical_analysis
Raymond's Algorithm is a lock based algorithm for mutual exclusion on a distributed system. It imposes a logical structure (a K-ary tree) on distributed
Raymond's_algorithm
Mathematical combinatorial optimization method
the linear programming relaxation (LP relaxation). At the start of the algorithm, sets of columns are excluded from the LP relaxation in order to reduce
Branch_and_price
HarperEntertainment; Perennial 382 General Learning Press; Silver Burdett 384 Johnson Reprint 385 Doubleday Anchor; Bond Street; Dial Press; Image; Delta Trade
List of group-0 ISBN publisher codes
List_of_group-0_ISBN_publisher_codes
Online vector quantization algorithm
TurboQuant is an online vector quantization algorithm for compressing high-dimensional Euclidean vectors while preserving their geometric structure. It
TurboQuant
Grouping a set of objects by similarity
analysis refers to a family of algorithms and tasks rather than one specific algorithm. It can be achieved by various algorithms that differ significantly
Cluster_analysis
Producing images of 3D scenes
rendering equation. Real-time rendering uses high-performance rasterization algorithms that process a list of shapes and determine which pixels are covered by
Rendering_(computer_graphics)
Type of geometry processing
algorithm Vatti clipping algorithm Sutherland–Hodgman algorithm (special case algorithm) Weiler–Atherton clipping algorithm (special case algorithm)
Boolean operations on polygons
Boolean_operations_on_polygons
Online algorithm for bin packing
Best-fit is an online algorithm for bin packing. Its input is a list of items of different sizes. Its output is a packing - a partition of the items into
Best-fit_bin_packing
Education results algorithm used during the Covid-19 pandemic in England
qualifications, exams and tests in England, produced a grades standardisation algorithm to combat grade inflation and moderate the teacher-predicted grades for
Ofqual_exam_results_algorithm
Problem in combinatorial optimization
Repository showed that, out of 75 algorithmic problems related to the field of combinatorial algorithms and algorithm engineering, the knapsack problem
Knapsack_problem
efficiency A property of an algorithm which relates to the number of computational resources used by the algorithm. An algorithm must be analyzed to determine
Glossary_of_computer_science
Discrete Fourier transform for prime sizes
Rader's algorithm (1968), named for Charles M. Rader of MIT Lincoln Laboratory, is a fast Fourier transform (FFT) algorithm that computes the discrete
Rader's_FFT_algorithm
Travelling salesman problem heuristic
multi-fragment (MF) algorithm is a heuristic or approximation algorithm for the travelling salesman problem (TSP) (and related problems). This algorithm is also sometimes
Multi-fragment_algorithm
Algorithm for making decision trees
C4.5 is an algorithm used to generate a decision tree developed by Ross Quinlan. C4.5 is an extension of Quinlan's earlier ID3 algorithm. The decision
C4.5_algorithm
Algorithm for computing kernel vectors
block Wiedemann algorithm for computing kernel vectors of a matrix over a finite field is a generalization by Don Coppersmith of an algorithm due to Doug
Block_Wiedemann_algorithm
Measurement of computational complexity
book by Michael Garey and David S. Johnson on NP-completeness, the term "computational complexity" (of algorithms) has become commonly used to refer to
Asymptotic computational complexity
Asymptotic_computational_complexity
Defunct American data compression company
California, who had conceived an improved image compression algorithm. Developing Reed's algorithm became the company's primary focus, resulting in the ART
Johnson-Grace
Subset of a graph's vertices, including at least one endpoint of every edge
optimization problem. It is NP-hard, so it cannot be solved by a polynomial-time algorithm if P ≠ NP. Moreover, it is hard to approximate – it cannot be approximated
Vertex_cover
World's first auction of computer algorithms
The Algorithm Auction is the world's first auction of computer algorithms. Created by Ruse Laboratories, the initial auction featured seven lots and was
The_Algorithm_Auction
Method of capturing a multi-wavelength data cube
widely-used algorithms for CTIS reconstruction are the same as the one used in the X-ray CT field of study. In particular, the algorithm used by Descour
Computed tomography imaging spectrometer
Computed_tomography_imaging_spectrometer
Compact encoding of digital data
line coding, the means for mapping data onto a signal. Data compression algorithms present a space–time complexity trade-off between the bytes needed to
Data_compression
Task of computing complete subgraphs
time algorithm is known for this problem, more efficient algorithms than the brute-force search are known. For instance, the Bron–Kerbosch algorithm can
Clique_problem
Use of empirical methods to study algorithms
science, empirical algorithmics (or experimental algorithmics) is the practice of using empirical methods to study the behavior of algorithms. The practice
Empirical_algorithmics
Sequence of characters that forms a search pattern
match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings, or for input validation
Regular_expression
Decision problem in computer science
problem". Introduction to Algorithms (2nd ed.). MIT Press and McGraw-Hill. ISBN 0-262-03293-7. Michael R. Garey and David S. Johnson (1979). Computers and
Subset_sum_problem
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM
JOHNSONS ALGORITHM