Last Updated
：2025/12/01
difference quotient
Noun
Japanese Meaning
差商（さしょう）：ある関数に対し、2点間の関数値の差をその点間の差で割ることで得られる値。特に、ある点における接線の傾き（微分値）を求める過程で、極限操作の前の近似値として用いられる数学的概念。
（ plural ）
Quizzes for review
(mathematical analysis) The slope of a secant as obtained by dividing the vertical difference between two intersections of the secant and a curve with their horizontal distance. When the horizontal distance approaches zero the slope of the secant approaches the derivative of the curve.
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difference quotient
To compute the derivative at a point, we examine the difference quotient between two nearby points on the curve.
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To compute the derivative at a point, we examine the difference quotient between two nearby points on the curve.
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