対数関数(たいすうかんすう)

たいすうかんすう
noun
logarithmic function
academicscience
1. logarithmic function
In mathematics, a function of the form y = log_a x, the inverse of the exponential function. A standard topic in high-school and university math, used to model growth, decay, and quantities that span many orders of magnitude.
対数関数(たいすうかんすう)のグラフを描(か)く。
I draw the graph of a logarithmic function.
対数関数(たいすうかんすう)は指数関数(しすうかんすう)の逆関数(ぎゃくかんすう)だ。
The logarithmic function is the inverse of the exponential function.
高校(こうこう)の数学(すうがく)で対数関数(たいすうかんすう)の性質(せいしつ)を習(なら)った。
In high-school math I learned the properties of logarithmic functions.

Compound of 対数(たいすう) (logarithm) + 関数(かんすう) (function). A mathematics term.

Common collocations

  • 自然(しぜん)対数関数(たいすうかんすう): natural logarithmic function
  • 対数関数(たいすうかんすう)のグラフ: graph of a logarithmic function
  • 対数関数(たいすうかんすう)の微分(びぶん): differentiation of a logarithmic function

Similar words

  • 指数関数(しすうかんすう): exponential function — its inverse
  • 一次関数(いちじかんすう): linear function — another basic function type studied alongside it

Related Words

Compare: 指数関数 (exponential function)
general
Added 2026.6.25 6:18 · Revised 2026.9.2 13:02
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