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单词 scalar
释义

Definition of scalar in English:

scalar

adjective ˈskeɪləˈskeɪlər
Mathematics Physics
  • (of a quantity) having only magnitude, not direction.

    纯量的,无向量的

    Example sentencesExamples
    • However, mass is atypical scalar quantity and therefore its value will not depend on the polarization of the exciting light that is used to measure it.
noun ˈskeɪləˈskeɪlər
Mathematics Physics
  • A scalar quantity.

    纯量,无向量

    Example sentencesExamples
    • Together these three loci seem to fit the circumstances under which separate estimates of both mutation scalars and inheritance scalars can be obtained.
    • These types are what you'd expect: scalars hold numerical values or strings, columns hold lists of numbers, grids hold two-dimensional matrices and images hold pixels.
    • It can find the bug if you ask your subroutine for a scalar, but you mistakenly have the subroutine return an array.
    • With multiple loci, each locus has a mutation rate scalar parameter such that the product of all mutation rate scalars is equal to 1.
    • These models directly infer phylogeny by using only the substitution distances of the scalar.

Origin

Mid 17th century: from Latin scalaris, from scala 'ladder' (see scale3).

Definition of scalar in US English:

scalar

adjectiveˈskālərˈskeɪlər
Mathematics Physics
  • (of a quantity) having only magnitude, not direction.

    纯量的,无向量的

    Example sentencesExamples
    • However, mass is atypical scalar quantity and therefore its value will not depend on the polarization of the exciting light that is used to measure it.
nounˈskālərˈskeɪlər
Mathematics Physics
  • A scalar quantity.

    纯量,无向量

    Compare with vector (sense 1 of the noun)
    Example sentencesExamples
    • Together these three loci seem to fit the circumstances under which separate estimates of both mutation scalars and inheritance scalars can be obtained.
    • These models directly infer phylogeny by using only the substitution distances of the scalar.
    • With multiple loci, each locus has a mutation rate scalar parameter such that the product of all mutation rate scalars is equal to 1.
    • These types are what you'd expect: scalars hold numerical values or strings, columns hold lists of numbers, grids hold two-dimensional matrices and images hold pixels.
    • It can find the bug if you ask your subroutine for a scalar, but you mistakenly have the subroutine return an array.

Origin

Mid 17th century: from Latin scalaris, from scala ‘ladder’ (see scale).

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更新时间:2025/7/4 21:11:42