Phased array (1616 bytes)
1: ...age:pa_radar.jpg|thumb|200px|right|A giant phased-array radar in Alaska]]
2: ...that the effective [[radiation pattern]] of the [[array]] is reinforced in a desired direction and suppre...
4: ...fective radiation pattern of the array. A phased array may be used to point a fixed radiation pattern, o...
6: The phased array is used for instance in optical telecommunication...
11: Phased arrays are required to be used by many AM broadcast sta...

Array (10730 bytes)
1: ...our integers. Generally, one- and two-dimensional arrays are the most common.
3: ...uire loops over all the individual members of the arrays.
7: ...ist]]s have the opposite trade-off. Consequently, arrays are most appropriate for storing a fixed amount ...
9: ...which tends to jump around in memory. However, an array can also be accessed in a random way, as is done ...
11: ...he data elements become smaller. For example, an array of [[ASCII]] [[character (computing)|character]]s...

Disk array (865 bytes)
1: ...fferentiated from a [[disk enclosure]] in that an array has [[cache]] and ''intelligence'' so can perform...
3: Components of a typical disk array include:
4: * [[Disk array controller]]
9: Typical disk arrays fall into three categories:
11: * [[Network attached storage]] (NAS) arrays:

Judy array (1083 bytes)
1: ... integer or string keys. Unlike [[array]]s, Judy arrays may be sparse; that is, they may have large rang...
3: ... possible. Due to these cache optimizations, Judy arrays are fast, sometimes even faster than a [[hash ta...
8: * [http://judy.sourceforge.net/ Main Judy arrays site]
9: ....sourceforge.net/downloads/10minutes.htm How Judy arrays work and why they are so fast]
10: ...term.pdf A complete technical description of Judy arrays]

Array slicing (1701 bytes)
1: ...ts from an [[array]] and packages them as another array, possibly with different number of indices and di...
3: ...] (i.e., share memory with) those of the original array.
7: ...2, 5, 7, 3, 8, 6, 4, 1), and we want to create an array slice from index 2 to 5, we get (7, 3, 8, 6).
9: ...e [[Perl]] [[programming language]], which allows arrays to be sliced easily, if we have
13: will represent the sliced array (7, 3, 8, 6).

Parallel array (3568 bytes)
1: ...ther in memory. For example, one might declare an array of 100 names, each a string, and 100 ages, each a...
3: ...le in [[C programming language|C]] using parallel arrays:
16: Parallel arrays have a number of practical advantages over the n...
17: ... They can be used in languages which support only arrays of primitive types and not of records (or perhap...
18: * Parallel arrays are simple to understand and use, and are often ...

Stride of an array (414 bytes)
1: ...andom Access Memory|memory]] between successive [[array]] elements.
3: ...]]''', and is sometimes measured in units of an [[array]]'s elements.
5: ...array]] is more efficient than a [[nonunit stride array]] with respect to [[cache|caches]].

Extents of an array (132 bytes)
1: ... number of elements in each [[dimension]] of an [[array]].

Rank of an array (180 bytes)
1: In [[Fortran]], the number of dimensions in an [[array]].
3: For example, a [[matrix (math)|matrix]] is an array of rank 2.
5: A [[scalar]] is sometimes defined as an array of rank 0.

Systolic array (1463 bytes)
1: ...ular) where data flows synchronously across the [[array]] between neighbours, usually with different data...
3: ...n]] published the first paper describing systolic arrays in [[1978]]; however, the first machine known to...
7: ...or a column at a time, flowing down or across the array.
12: .../lang/papers/isa/index.htm ''Instruction Systolic Array (ISA)'']

Remmler Array (1140 bytes)
1: ...se]] - it has not been revealed how many of these arrays exist in the Federation.
3: The array consists of two large platforms. A starship is p...
5: ...ise (NCC-1701-D)|USS Enterprise-D]] docked at the array and had undergone the sweep. Thieves attempted t...

Global array (1463 bytes)
1: The '''Global Arrays''' (GA) toolkit provides an efficient and portab...
3: ... physically distributed dense multi-dimensional [[array]]s, without need for explicit cooperation by othe...
5: ...ng message-passing [[software libraries]]. Global Arrays are compatible with the [[Message Passing Interf...
7: The Global Arrays toolkit has been in the [[public domain]] since ...

Array programming (3108 bytes)
1: ... (mathematics)|matrices]], and higher dimensional arrays.
3: ...bly the most widely used compiled and interpreted array programming languages.
5: The fundamental idea behind Array Programming is that operations apply at once to a...
7: ...atic in certain cases: it is not uncommon to find array programming language [[one-liner program|one-line...
9: Array Programming is very well suited to implicit paral...

Co-array Fortran (646 bytes)
1: '''Co-array Fortran''', formerly known as '''F--''', is an ex...
3: ...t of data objects and is termed an ''image''. The array syntax of Fortran 95 is extended with additional ...
6: * [[Array programming]]

Protein array (762 bytes)
1: ...his format is often also referred to as a '''microarray''' (a more general term for chip based biological...
3: ...for the measurement of RNA and DNA are [[DNA microarray]]s.
7: ... proteinarray.org] is a Wiki dedicated to protein array technology.

Sparse array (774 bytes)
1: ... map integer positions, or indices, less than the array's length, to values.
3: ...cal implementation allocates space for the entire array, even if only a few indices are ever used. If the...
5: Example: An array with length of one million, where only the indice...
7: for the remaining 999996 possible array elements.

Rants array (785 bytes)
1: ...ody on [[RAID]] array, which stands for Redundant array of Independent Drives, a common failsafe procedur...
3: ...sed comic strip [[User Friendly]], the R.A.N.T.S. array is displayed as a set of four [[Windows NT]] serv...
6: ...userfriendly.org/cartoons/?id=20000227 R.A.N.T.S. Array]

Gate array (1514 bytes)
1: ...ay circuit, also known as an '''Uncommitted Logic Array''' ('''ULA''') is a prefabricated circuit with no...
3: ...e the same test fixtures may be used for all gate array products manufactured on the same [[die]] size.
7: ...ion of this approach is [[field-programmable gate array]]s.

Halbach array (1503 bytes)
1: [[Image:Halbach array.png|right|A Halbach array, showing the orientation of each piece's magnetic...
3: A '''Halbach array''' is a special arrangement of permanent [[magnet...
5: ... only used to create forward motion. The Halbach arrays repel buried loops of wire after they have been ...
7: Halbach arrays were originally developed in a ring shape, which...
15: ...tchrockets.com/ether/halbach.html Build a Halbach array]

Associative array (12430 bytes)
1: ...e>"bob"</code> is <code>7</code>, we say that our array ''maps'' <code>"bob"</code> to <code>7</code>.
3: ...tions that are usually defined for an associative array are:
12: ...[[database]] is a sort of generalized associative array.
14: == Data structures for associative arrays ==
16: Associative arrays are usually used when lookup is the most frequen...

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