Order

From Wikipedia, the free encyclopedia

Order may refer to:

[edit] Religious, chivalric and fraternal

• Holy Orders, the rite or sacrament in which clergy are ordained
• Monastic order, established since circa 300 AD
• Religious Order
• Military order, established in the crusades
• Chivalric order, established since the 14th century
• Fraternal order
• Tariqa or Sufi Order

[edit] Honors

• Order (decoration) , medal or award

[edit] Legal and military

• Court order, made by a judge; a restraining order, for example, is a type of injunction
• Executive order, issued by the executive branch of government
• General order, a published directive from a commander
• Standing order, a general order of indefinite duration, and similar ongoing rules in a parliament
• Direct order

[edit] In scientific classification

• Order (biology), a rank between class and family, or a taxon at that rank
• Social order, a concept used in sociology, history and other social sciences
• Order (chemistry), a concept of chemical kinetics
• Order of hierarchical complexity, the ordinal complexity of tasks that are addressed

[edit] In mathematics

• Order in Group theory, the cardinality of a group
• Order in Ramsey theory, uniform structures in consequence to critical set cardinality
• Order in Ring theory, a kind of an algebraic structure
• Order theory, which studies various binary relations known as orders
  • Partially ordered set, or poset
  • Total order, including the complete ordered field of real numbers
  • Dense order
  • Glossary of order theory
• Orders of approximation in Big O notation
• Orders of magnitude, a class of scale or magnitude of any amount
• Order, or degree of a polynomial
• Order, or dimension of a matrix
• Order, or order of highest derivative, of a differential equation
• Order in the Josephus permutation
• Weak order of permutations
• Ordered set, a permutation, bijection or cyclic order
• Un-ordered subset, or combination
• Ordered list, a tuple or sequence
• Ordered pair
• Fractal orders:
  • Complexor, or complex order in fractals
  • Orders of construction in the Pythagoras tree
  • Order of extension in Lakes of Wada
  • Order of Rényi dimensions
• Long-range aperiodic order in for instance Pinwheel tiling
• Multiplicative order in modular arithmetic
• Z-order space-filling curve

• List of order topics in mathematics

[edit] In computer science

• Order is a description of complexity or scalability in computational complexity theory and Big O notation.
• Canonical order, the order of elements that obeys a certain set of rules or specifications
• Z-order on computer screens
• In SQL, an ORDER BY clause

[edit] In telecommunications

• Modulation order, the number of different symbols that can be sent using a given modulation

[edit] Miscellaneous

• Social order, referring to the conduct of society
• Law and order (politics)
• The contrary of chaos, disorder (in the sense of randomness), or entropy
• Implicate and Explicate Order according to David Bohm
• Collating order, sequence for text, such as alphabetical
• Public order, a concept in urban planning
• Order (business), an instruction from a customer to buy
• Order (exchange), customer's instruction to a stock broker
• Order (information processing), a measure of the number of objects or sub-systems in a system
• Order (organization), an organization of people united by a common fraternal bond or social aim.
• Architectonic orders: see classical order
• Way of categorizing Electronic filters by steepness, see Filter design and Elliptic filter
• Way of categorizing the size of lighthouse Fresnel lenses
• The Order
• A military unit in the Cardassian military in the fictional Star Trek universe
• An order parameter in physics has value 1 for complete order and value 0 for complete disorder
• Money order