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scalar |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Scalar \Sca"lar\, n. (Math.) In the quaternion analysis, a quantity that has magnitude, but not direction; -- distinguished from a vector, which has both magnitude and direction. From WordNet r 1.6 [wn]: scalar adj : of or relating to a directionless magnitude; "scalar implicatures" n : a variable quantity that cannot be resolved into components From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]: scalar 1.A single number, as opposed to a {vector} or {matrix} of numbers. Thus for example, "scalar multiplication" refers to the operation of multiplying one number (one scalar) by another and is used to contrast this with "matrix multiplication" etc 2. In a {parallel processor} or {vector processor}, the "scalar processor" handles all the sequential operations - those which cannot be parallelised or vectorised See also {superscalar}. 3. A data type in {Perl} combining what in many other languages is either a {string} or a {number}. (1998-12-18)
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