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The toric code, and surface codes more generally, are types of stabilizer codes considered very important for the practical realization of quantum information processing. Conceptual background [ edit ]
A linear code of length n and dimension k is a linear subspace C with dimension k of the vector space where is the finite field with q elements. Such a code is called a q -ary code. If q = 2 or q = 3, the code is described as a binary code, or a ternary code respectively. The vectors in C are called codewords.
The code can also be constructed as the quadratic residue code of length 11 over the finite field F 3 (i.e., the Galois Field GF(3)). Used in a football pool with 11 games, the ternary Golay code corresponds to 729 bets and guarantees exactly one bet with at most 2 wrong outcomes. The set of codewords with Hamming weight 5 is a 3-(11,5,4) design.
The National Location Code ( NLC) is a four-digit number allocated to every railway station and ticket issuing point in Great Britain for use with the ticketing system on the British railway network. They are used in the issue of tickets and for accounting purposes. They are a subset of the NLCs created by British Rail, which are based on four ...
Source Tags & Codes was met with critical acclaim, receiving a score of 85 out of 100 on review aggregate site Metacritic, indicating "universal acclaim". The Austin Chronicle ' s Michael Chamy called Source Tags & Codes "an album that absolutely cannot be ignored", while Billboard ' s Annie Zaleski stated that "what makes Source Tags & Codes such an amazing album is how the band teeters on ...
Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
macOS. The Finder is the default file manager and graphical user interface shell used on all Macintosh operating systems. Described in its "About" window as "The Macintosh Desktop Experience", it is responsible for the launching of other applications, and for the overall user management of files, disks, and network volumes.
The language code EL according to ISO 639-1, followed by 9 digits, which equal the Greek taxpayer registration number Α.Φ.Μ. (A.F.M.) of the company or of the sole proprietor, i.e.: "Arithmós Mētrṓou Phi-Pi-A" = "EL" + "A.F.M.". The last digit is a check digit inherent of the Α.Φ.Μ. Beware: Due to the great similarity of both numbers ...