V2EX coordinatewise

Coordinatewise

释义 Definition

(数学/向量、序列、函数)按坐标地;逐坐标地:把一个对象(如向量、点、序列或函数)的每个坐标/分量分别进行同样的运算或比较,再把结果组合起来。也常与 componentwise / elementwise / entrywise 同义或近义使用。

发音 Pronunciation (IPA)

/kordntwaz/

例句 Examples

We compare the two vectors coordinatewise.
我们按坐标逐一比较这两个向量。

If a sequence converges coordinatewise but not uniformly, its limit may fail to preserve certain properties across the whole domain.
如果一个序列只按坐标收敛而不一致收敛,那么它的极限函数可能无法在整个定义域上保持某些性质。

词源 Etymology

coordinate(坐标/分量)+ 后缀 -wise(“以……方式;就……而言”)构成,字面意思是“以坐标的方式”。在数学写作中常用来强调“逐分量”的处理方法。

相关词 Related Words

文学与著作中的用例 Literary Works

(该词主要出现在数学与工程类书籍/论文中,较少用于文学小说。)

  • Principles of Mathematical Analysis(Walter Rudin)
  • Real and Complex Analysis(Walter Rudin)
  • Linear Algebra Done Right(Sheldon Axler)
  • Convex Optimization(Stephen Boyd & Lieven Vandenberghe)
  • Functional Analysis(Peter D. Lax)
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