English Dictionary

quadrature

IPA（発音記号）

/ˈkwɒd.ɹəˌtjʊə(ɹ)/

名詞

可算名詞 不可算名詞

The process of making something square; squaring. / (mathematics) The act or process of constructing a square that has the same area as a given plane figure, or of computing that area.

日本語の意味

物体や図形を正方形に変換する（正方形にする）過程 / 数学において、与えられた平面図形と同じ面積を持つ正方形を構築する操作またはその面積を求める手法

Before installing the frame, the carpenter performed a careful quadrature to ensure the corners aligned perfectly.

額縁を取り付ける前に、大工は角が完全に揃うように注意深く角を直角にする作業を行った。

意味（1）

The process of making something square; squaring.

意味（2）

(mathematics) The act or process of constructing a square that has the same area as a given plane figure, or of computing that area.

Craige was then on the point of publishing a short tract wherein he expounded a systematic (if far from general) 'Method of determining the quadrature of figures comprehended by straight lines and curves', there gathering a variety of techniques of rational algebraic quadrature and arc-rectification […] .

意味（3）

(mathematics, numerical analysis) The calculation of a definite integral by numerical means.

Three types of SINC quadratures are surveyed for the evaluation of Cauchy principal value integrals ∫_𝛤F(t)dt/(t-x), x∈𝛤, where 𝛤 is an arc in the complex plane. Under suitable assumptions on F, the quadrature errors are of order O(e), where N is the number of quadrature nodes and c is a constant independent of N.

意味（4）

(mathematics, mathematical analysis) The act or process of solving an indefinite integral by symbolic means.

意味（5）

(astronomy) A situation in which the directions of two celestial bodies (or a celestial body and the Sun) form a right-angle from the perspective of the observer.

When the Moon is in quadrature, it appears in the sky as a half-moon.

意味（6）

(physics) The condition in which the phase angle between two alternating quantities is 90°.

If ν_(IN) has 50% duty-cycle, then the outputs are in quadrature.

意味（7）

(art) A painting painted on a wooden panel.

quadratures （ plural ）