V2EX polynomial

Polynomial

释义 Definition

Polynomial(多项式):由常数与一个或多个变量组成、通过加法、减法和乘法连接而成的代数式;变量的指数为非负整数(如 \(x^2\)、\(x^0\)),不包含变量在分母或根号里等形式。常见于代数、函数与方程中。

发音 Pronunciation

/plinomil/

例句 Examples

A polynomial can have one term or many terms.
多项式可以只有一项,也可以有很多项。

To model the data accurately, the researcher fitted a polynomial function and then analyzed its turning points.
为了更准确地拟合数据,研究者使用了多项式函数,并进一步分析它的转折点。

词源 Etymology

来自**poly-**(“多”)+ -nomial(与“项/名称”相关,源自拉丁语 nomen “名字”一类词根的影响)。整体字面可理解为“有很多项的(表达式)”,后来在数学中固定指“多项式”。

相关词 Related Words

文学作品 Literary Works

  • Herman Melville《Moby-Dick》(《白鲸》):书中出现大量航海与科学/数学类词汇,“polynomial”常被用作学术化表达的例子之一。
  • Thomas Pynchon《Gravity’s Rainbow》(《万有引力之虹》):作品以大量技术与科学术语著称,其中包含数学相关用词(含 polynomial 等)来营造复杂的知识语境。
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