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scalar 音标拼音: [sk'elɚ] n. 数量
a. 数量的,分等级的,梯状的 数量数量的,分等级的,梯状的 scalar 纯量; 纯量的 scalar 量 纯量 scalar adj 1: of or relating to a musical scale; "he played some basic scalar patterns on his guitar" 2: of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude; "scalar quantity" n 1: a variable quantity that cannot be resolved into components 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. [1913 Webster] 1.
{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. processor}, the "scalar processor" handles all the sequential operations - those which cannot be parallelised or vectorised. See also {superscalar}. 3. (e.g. a number or {Boolean}), as opposed to an {aggregate} data type that has many elements. A {string} is regarded as a scalar in some languages (e.g. {Perl}) and a vector of {characters} in others (e.g. {C}). (2002-06-12)
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