King Alfonso X — named as Affonso in the Cantigas — is also believed to be an author of some of them as he refers himself in first person.

* In node-based definition, clade name A refers to the least inclusive clade containing taxa ( or specimens ) X, Y, etc.

* In stem-based definition, A refers to the most inclusive clade containing X, Y, etc., and their common ancestor, down to where Z branches off below A. Taxa are included between the node of A and down to ( but not including ) the branching point to Z ; that is, the stem of A.

* In apomorphy-based definition, A refers to the clade identified by an apomorphy ( a trait ) found in X, Y, etc., and their common ancestor.

Elements inside embedded sequences are referenced by additional bracked index values, thus X refers to the second element contained in the sequence that is the third element of X.

The 1975 movie Inserts directed by John Byrum about a pornographic film production, which starred Richard Dreyfuss and was originally released with an X rating, took its name from the double meaning that " insert " both refers to this film technique ( often used in pornographic filmmaking ) and to sexual intercourse.

And again in his Commentary on Matthew ( Book X, Chapter 17 ) Origen refers to Josephus ' Antiquities of the Jews by name and that Josephus had stated that the death of James had brought a wrath upon those who had killed him.

Similarly, the manual for the ORCA / M assembler refers to a field indicating the order of the bytes in a number field as, and the Mac OS X operating system refers to " byte sex " in its compiler tools .</ ref > The usual contrast is whether the most significant or least significant byte is ordered first — i. e., at the lowest byte address — within the larger data item.

Similarly, the manual for the ORCA / M assembler refers to a field indicating the order of the bytes in a number field as, and the Mac OS X operating system refers to " byte sex " in its compiler tools .</ ref > x86 computers do not have the same " byte sex ", as HC11 computers, for example.

The covariance matrix is the expected value, element by element, of the n × n matrix computed as – E ( X )< sup > T </ sup >, where the superscript T refers to the transpose of the indicated vector:

where C is the covariance matrix of X and tr refers to the trace of a matrix — that is, to the sum of the elements on its main diagonal ( from upper left to lower right ).

Since 1957, all Acts of Congress have been designated as " Public Law X-Y " or " Private Law X-Y ," where X is the number of the Congress and Y refers to the sequential order of the bill ( when it was enacted ).

Two manuscripts name him: MS. A ( Avranches MS 162, 12th-century ), refers to Uortigerno ; and Mommsen's MS. X ( Cambridge University Library MS. Ff.

* Distributed transaction processing, in computer systems, usually refers to the X / Open model of co-ordinating transactions between multiple participants

In computing, Motif refers to both a graphical user interface ( GUI ) specification and the widget toolkit for building applications that follow that specification under the X Window System on Unix and other POSIX-compliant systems.

In the above equations, g ( X ) refers to the logit function of some given predictor X, ln denotes the natural logarithm, is the probability of being a case, is the intercept from the linear regression equation ( the value of the criterion when the predictor is equal to zero ), is the regression coefficient multiplied by some value of the predictor, base e denotes the exponential function.

In fact, the term X. 509 certificate usually refers to the IETF's PKIX Certificate and CRL Profile of the X. 509 v3 certificate standard, as specified in RFC 5280, commonly referred to as PKIX for Public Key Infrastructure ( X. 509 ).

where the superscript prime refers to the dual space, ω < sub > X </ sub > is the canonical sheaf and is the dual sheaf of.

More specifically, Prime95 refers to the Windows and Mac OS X versions of the software.

Traditionalist Roman Catholic groups, congregations and clergymen, however, continue to support missionizing Jews according to traditional patterns, sometimes with success ( e. g., the Society of St. Pius X which has notable Jewish converts among its faithful, many of whom have become traditionalist priests ).

The American scholar of religious studies Michael F. Strmiska argued that the modern adoption of the term " Pagan " was " a deliberate act of defiance " against traditional, Christian-dominated society, comparing it to the adoption of the surname " X " amongst African-Americans or the term " queer " amongst LGBT people.

Controversially, X11R6. 4 departed from the traditional liberal licensing terms, as the Open Group sought to assure funding for the development of X.

The X. 25 model was based on the traditional telephony concept of establishing reliable circuits through a shared network, but using software to create " virtual calls " through the network.

Pius X rejected modernist interpretations of Catholic doctrine, promoting traditional devotional practices and orthodox theology.

Classical and symphonic music have also had a significant impact on sections of the progressive metal genre, with artists like Devin Townsend, Symphony X and Shadow Gallery fusing traditional progressive metal with a complexity and grandeur usually found in classical compositions.

This has led to a resurgence of popularity for more traditional progressive metal bands like Dream Theater and Symphony X, and also has led to the inclusion within the progressive metal scene of bands that do not necessarily play in its traditional style such as thrash / power metallers Nevermore, technical death metal acts Necrophagist and Nile.

All traditional AIFF and AIFF-C files continue to work normally on Mac OS X ( including on the new Intel-based hardware ), and many third-party audio applications as well as hardware continue to use the standard AIFF big-endian byte order.

Writing all his own songs, and continuing to perform mostly outside traditional country music channels, Yoakam did many shows in rock and punk rock clubs around Los Angeles, playing with roots rock or punk rock acts like The Blasters ( Yoakam scored a small video hit with his version of their song " Long White Cadillac "), Los Lobos, and X.

Despite his poor military experience, Pope Leo X named him Gonfalonier and Captain General of the Church ( commander in chief of the Papal Army ), though a clause allowed Frederick to avoid fighting against the Empire, to which Mantua has been always traditional ally.

Although the album was a successful release in Japan, some fans were disappointed with the lighter tracks, which resembled a Paul Gilbert solo album more so than a traditional Racer X album.

The latest iteration of the dock, found in OS X Leopard, Snow Leopard, and Lion presents a 3D perspective instead of the traditional flat one, resembling Sun Microsystems ' Project Looking Glass application dock.

One sometimes speaks of the smaller and greater Hungarian alphabets, depending on whether or not the letters Q, W, X, Y are listed, which can only be found in foreign words and traditional orthography of names.

Unlike the " long telegram ", Kennan's well-timed article appearing in the July 1947 issue of Foreign Affairs under the pseudonym " X ," entitled " The Sources of Soviet Conduct ," did not begin by emphasizing " traditional and instinctive Russian sense of insecurity "; instead it asserted that Stalin's policy was shaped by a combination of Marxist – Leninist ideology, which advocated revolution to defeat the capitalist forces in the outside world and Stalin's determination to use the notion of " capitalist encirclement " as a fig leaf legitimizing his regimentation of Soviet society so that he could consolidate his political power.

TV shows may use traditional tokusatsu techniques, but are cast with puppets or marionettes: Uchuusen Silica ( 1960 ); Ginga Shonen Tai ( 1963 ); Kuchuu Toshi 008 ( 1969 ); and Go Nagai's X Bomber ( 1980 ).

For example, the Nigerian traditional rulers of the Yoruba are usually styled using the HRH The X of Y method, even though they are confusingly known as kings in English and not the reigning princes that the HRH style would seem to suggest.

Other major US promotions, however, opted to use wrestlers from the traditional promotions such as the Team UK in TNA's 2004 X Cup which featured All Star Wrestling wrestlers James Mason, Dean Allmark, Robbie Dynamite and Frankie Sloan.

Simple public key infrastructure ( SPKI, pronounced spoo-key ) was born out of a joint effort to overcome the overcomplication and scalability problems of traditional X. 509 public key infrastructure.

Michaels would continue to use the D-Generation X motif until after Backlash, at which point he reverted to his traditional entrance music and attire, thus ending this incarnation of D-Generation X. Michaels and Triple H teamed up again under the D-Generation X on the January 28, 2008 episode of Raw defeating Umaga and Snitsky.

The traditional Catholic religious congregation was formerly affiliated with the Society of St. Pius X.

While the first game in the series had the player select missions from a list, Mega Man Zero 2 returns to the traditional Stage Select option found in the Mega Man and Mega Man X games, although you can only select from four at a time.

There is also a Christadelphian Ecclesia in Linden, as well as a traditional Catholic chapel, run by priests from the Society of St. Pius X, who are based in Wanganui.