Problem articles on Wikipedia
Problem solving
Problem solving consists of using generic or ad hoc methods, in an orderly manner, for finding solutions to problems. Some of the problem-solving techniques
May 16th 2017

Knapsack problem
The knapsack problem or rucksack problem is a problem in combinatorial optimization: Given a set of items, each with a weight and a value, determine the
May 18th 2017

Decision problem
complexity theory, a decision problem is a problem that can be posed as a yes-no question of the input values. Decision problems typically appear in mathematical
Apr 16th 2017

Fleet problem
Fleet Problem I through Fleet Problem XXI. A 22nd Fleet Problem exercise, scheduled for 1941, was canceled because of World War II. The fleet problems were
May 5th 2017

Travelling salesman problem
The travelling salesman problem (TSP) asks the following question: "Given a list of cities and the distances between each pair of cities, what is the
May 24th 2017

Problem of evil
The problem of evil refers to the question of how to reconcile the existence of evil with an omnibenevolent, omniscient, and omnipotent God (see theism)
May 17th 2017

Mathematical problem
A mathematical problem is a problem that is amenable to being represented, analyzed, and possibly solved, with the methods of mathematics. This can be
Apr 24th 2017

Hard problem of consciousness
For other uses, see Hard problem (disambiguation). The hard problem of consciousness is the problem of explaining how and why we have qualia or phenomenal
May 4th 2017

Three-body problem
In physics and classical mechanics, the three-body problem is the problem of taking an initial set of data that specifies the positions, masses, and velocities
May 12th 2017

N-body problem
In physics, the n-body problem is the problem of predicting the individual motions of a group of celestial objects interacting with each other gravitationally
May 24th 2017

Halting problem
In computability theory, the halting problem is the problem of determining, from a description of an arbitrary computer program and an input, whether the
May 14th 2017

P versus NP problem
The P versus NP problem is a major unsolved problem in computer science. Informally speaking, it asks whether every problem whose solution can be quickly
May 20th 2017

Trolley problem
The trolley problem is a thought experiment in ethics. The general form of the problem is this: There is a runaway trolley barreling down the railway
May 26th 2017

Cutting stock problem
In operations research, the cutting-stock problem is the problem of cutting standard-sized pieces of stock material, such as paper rolls or sheet metal
Mar 16th 2017

Shortest path problem
In graph theory, the shortest path problem is the problem of finding a path between two vertices (or nodes) in a graph such that the sum of the weights
May 2nd 2017

Undecidable problem
theory and computational complexity theory, an undecidable problem is a decision problem for which it is known to be impossible to construct a single
Apr 30th 2017

Problem of Apollonius
In Euclidean plane geometry, Apollonius'sApollonius's problem is to construct circles that are tangent to three given circles in a plane (Figure 1). Apollonius of
Apr 28th 2017

Millennium Prize Problems
Millennium Prize Problems are seven problems in mathematics that were stated by the Clay Mathematics Institute in 2000. The problems are Birch and Swinnerton-Dyer
May 21st 2017

Creative problem-solving
Creative problem-solving is the mental process of searching for an original and unobvious solution to a problem. To qualify, the solution must be novel
May 28th 2017

No Problem
No-ProblemNo Problem may refer to: No problem, an English-language expression No-ProblemNo Problem (Chet Baker album), 1980 No-ProblemNo Problem (Al Cohn album), 1980 No-ProblemNo Problem (Sonny
May 24th 2017

Candle problem
The candle problem or candle task, also known as Duncker's candle problem, is a cognitive performance test, measuring the influence of functional fixedness
Nov 26th 2016

Kepler problem
This article is about a special case of the two-body problem in classical mechanics. For the problem of finding the densest packing of spheres in three-dimensional
Aug 5th 2015

Steiner tree problem
Steiner tree problem, or minimum Steiner tree problem, named after Jakob Steiner, is an umbrella term for a class of problems in combinatorial optimization
Mar 9th 2017

Optimization problem
science, an optimization problem is the problem of finding the best solution from all feasible solutions. Optimization problems can be divided into two
Apr 13th 2017

Monty Hall problem
The Monty Hall problem is a brain teaser, in the form of a probability puzzle (Gruber, Krauss and others), loosely based on the American television game
May 26th 2017

Hierarchy problem
the supersymmetric anomaly, see Little hierarchy problem. In theoretical physics, the hierarchy problem is the large discrepancy between aspects of the
Feb 23rd 2017

Post correspondence problem
correspondence problem is an undecidable decision problem that was introduced by Emil Post in 1946. Because it is simpler than the halting problem and the
Apr 15th 2017

Clique problem
In computer science, the clique problem is the computational problem of finding cliques (subsets of vertices, all adjacent to each other, also called complete
May 20th 2017

Belt problem
The belt problem is a mathematics problem which requires finding the length of a crossed belt that connects two circular pulleys with radius r1 and r2
Nov 14th 2016

Problem of induction
The problem of induction is the philosophical question of whether inductive reasoning leads to knowledge understood in the classic philosophical sense
May 20th 2017

Chess problem
A chess problem, also called a chess composition, is a puzzle set by somebody using chess pieces on a chess board, that presents the solver with a particular
Apr 4th 2017

Economic problem
wages?" Economics revolve around these fundamental economic problems. The economic problem is most simply explained by the question: "How do we satisfy
May 25th 2017

List of unsolved problems in mathematics
long-standing problem, and lists of unsolved problems (such as the list of Millennium Prize Problems) receive considerable attention. Unsolved problems remain
May 13th 2017

Maximum flow problem
maximum flow problems involve finding a feasible flow through a single-source, single-sink flow network that is maximum. The maximum flow problem can be seen
Oct 7th 2016

Problem (disambiguation)
Example: bell has a problem The-Problem The Problem (album), by Mathematics "Problem" (Ariana Grande song) "Problem" (Sarlo Akrobata song) "Problems" (song), by The
Apr 15th 2017

Weber problem
In geometry, the Weber problem, named after Alfred Weber, is one of the most famous problems in location theory. It requires finding a point in the plane
Aug 14th 2016

Flatness problem
flatness problem (also known as the oldness problem) is a cosmological fine-tuning problem within the Big Bang model of the universe. Such problems arise
May 12th 2017

Longest common subsequence problem
The longest common subsequence (LCS) problem is the problem of finding the longest subsequence common to all sequences in a set of sequences (often just
Apr 10th 2017

Dirichlet problem
In mathematics, a Dirichlet problem is the problem of finding a function which solves a specified partial differential equation (PDE) in the interior of
Apr 30th 2017

Two Generals' Problem
In computing, the Two Generals Problem is a thought experiment meant to illustrate the pitfalls and design challenges of attempting to coordinate an action
May 14th 2017

Hilbert's problems
Hilbert's problems are twenty-three problems in mathematics published by German mathematician David Hilbert in 1900. The problems were all unsolved at
May 1st 2017

Dining philosophers problem
In computer science, the dining philosophers problem is an example problem often used in concurrent algorithm design to illustrate synchronization issues
May 25th 2017

Symbol grounding problem
problem is related to the problem of how words (symbols) get their meanings, and hence to the problem of what meaning itself really is. The problem of
May 22nd 2017

Computational problem
computational problem is a mathematical object representing a collection of questions that computers might be able to solve. For example, the problem of factoring
Mar 8th 2017

Hamiltonian path problem
mathematical field of graph theory the Hamiltonian path problem and the Hamiltonian cycle problem are problems of determining whether a Hamiltonian path (a path
May 9th 2017

Year 10,000 problem
The Year 10,000 problem (also known as the Y10K problem or the deca-millennium bug) is the class of all potential time formatting and storage bugs that
May 10th 2017

Problem of Hell
The problem of Hell is an ethical problem in religion in which the existence of Hell for the punishment of souls is regarded as inconsistent with the
Apr 5th 2017

Jeep problem
Crossing" 1999. The jeep problem, desert crossing problem or exploration problem is a mathematics problem in which a jeep must maximise the distance it can
Apr 5th 2017

Missionaries and cannibals problem
cannibals problem, and the closely related jealous husbands problem, are classic river-crossing problems. The missionaries and cannibals problem is a well-known
May 24th 2017

Covering problems
do that. Covering problems are minimization problems and usually linear programs, whose dual problems are called packing problems. The most prominent
Apr 20th 2017

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