# digraph

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[′dī‚graf]
(mathematics)

## Digraph

a combination of two or more letters that indicate a single sound, for example, Polish sz and cz. In Russian known as ligatura, see LIGATURE.

## digraph

In some programming languages, a digraph is two common keyboard characters used together that represent one symbol. For example, (* and *) have represented the curly braces { and }. A trigraph uses three characters such as ??- for a tilde ~. Digraphs and trigraphs are methods for ensuring symbols can be entered into source code from an abbreviated keyboard that has fewer keys than a full-size unit.
References in periodicals archive ?
A functional digraph is a digraph whose vertices have out-degree 1.
Only the changed [i] diphthongs are listed in NW in Table 4, the other digraphs being identical to those listed higher in the table.
Then a digraph representing R can be constructed as follows:
Let D be a digraph and let [GAMMA] be a family of digraphs such that V(F) = V, for every F [member of] [GAMMA].
Consonant Consonant digraphs are two letters that represent digraph one phoneme (Bear et al.
We let G = (V,E) be a digraph where E is a set of ordered pairs called arcs.
The network file was then imported in Pajek and the associated digraph was drawn.
The DEMATEL can reduce the number of criteria for evaluating factor effectiveness, concurrently; companies can improve effectiveness of specific factors based on the impact digraph map .
The algorithm we use to create the blocks on the diagonal of M is a modified version of Tarjan's algorithm HD that decomposes a digraph into its strong subgraphs hierarchically .
A simple digraph is a digraph in which each ordered pair of vertices occurs as an arc at most once.
Basically, he argues that any digraph consisting of two identical consonant graphemes in the orthographic system of MS Junius 1 could serve at least two different functions.
Only one occurrence of the split digraph was found among the data, in the band Breze, and the standard spelling of this word already has <ee>.

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